19501020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 288

約数和(自身を含む): 78140160

約数和(自身を除く): 58639140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 67, 70, 77, 84, 90, 98, 99, 105, 108, 110, 126, 132, 134, 135, 140, 147, 154, 165, 180, 189, 196, 198, 201, 210, 220, 231, 245, 252, 268, 270, 294, 297, 308, 315, 330, 335, 378, 385, 396, 402, 420, 441, 462, 469, 490, 495, 539, 540, 588, 594, 603, 630, 660, 670, 693, 735, 737, 756, 770, 804, 882, 924, 938, 945, 980, 990, 1005, 1078, 1155, 1188, 1206, 1260, 1323, 1340, 1386, 1407, 1470, 1474, 1485, 1540, 1617, 1764, 1809, 1876, 1890, 1980, 2010, 2079, 2156, 2205, 2211, 2310, 2345, 2412, 2646, 2695, 2772, 2814, 2940, 2948, 2970, 3015, 3234, 3283, 3465, 3618, 3685, 3780, 4020, 4158, 4221, 4410, 4422, 4620, 4690, 4851, 5159, 5292, 5390, 5628, 5940, 6030, 6468, 6566, 6615, 6633, 6930, 7035, 7236, 7370, 8085, 8316, 8442, 8820, 8844, 9045, 9380, 9702, 9849, 10318, 10395, 10780, 11055, 12060, 12663, 13132, 13230, 13266, 13860, 14070, 14553, 14740, 15477, 16170, 16415, 16884, 18090, 19404, 19698, 19899, 20636, 20790, 21105, 22110, 24255, 25326, 25795, 26460, 26532, 28140, 29106, 29547, 30954, 32340, 32830, 33165, 36113, 36180, 39396, 39798, 41580, 42210, 44220, 46431, 48510, 49245, 50652, 51590, 58212, 59094, 61908, 63315, 65660, 66330, 72226, 72765, 77385, 79596, 84420, 88641, 92862, 97020, 98490, 99495, 103180, 108339, 118188, 126630, 132660, 139293, 144452, 145530, 147735, 154770, 177282, 180565, 185724, 196980, 198990, 216678, 232155, 253260, 278586, 291060, 295470, 309540, 325017, 354564, 361130, 397980, 433356, 443205, 464310, 541695, 557172, 590940, 650034, 696465, 722260, 886410, 928620, 975051, 1083390, 1300068, 1392930, 1625085, 1772820, 1950102, 2166780, 2785860, 3250170, 3900204, 4875255, 6500340, 9750510, 19501020]

約数ペア:

[(1, 19501020), (2, 9750510), (3, 6500340), (4, 4875255), (5, 3900204), (6, 3250170), (7, 2785860), (9, 2166780), (10, 1950102), (11, 1772820), (12, 1625085), (14, 1392930), (15, 1300068), (18, 1083390), (20, 975051), (21, 928620), (22, 886410), (27, 722260), (28, 696465), (30, 650034), (33, 590940), (35, 557172), (36, 541695), (42, 464310), (44, 443205), (45, 433356), (49, 397980), (54, 361130), (55, 354564), (60, 325017), (63, 309540), (66, 295470), (67, 291060), (70, 278586), (77, 253260), (84, 232155), (90, 216678), (98, 198990), (99, 196980), (105, 185724), (108, 180565), (110, 177282), (126, 154770), (132, 147735), (134, 145530), (135, 144452), (140, 139293), (147, 132660), (154, 126630), (165, 118188), (180, 108339), (189, 103180), (196, 99495), (198, 98490), (201, 97020), (210, 92862), (220, 88641), (231, 84420), (245, 79596), (252, 77385), (268, 72765), (270, 72226), (294, 66330), (297, 65660), (308, 63315), (315, 61908), (330, 59094), (335, 58212), (378, 51590), (385, 50652), (396, 49245), (402, 48510), (420, 46431), (441, 44220), (462, 42210), (469, 41580), (490, 39798), (495, 39396), (539, 36180), (540, 36113), (588, 33165), (594, 32830), (603, 32340), (630, 30954), (660, 29547), (670, 29106), (693, 28140), (735, 26532), (737, 26460), (756, 25795), (770, 25326), (804, 24255), (882, 22110), (924, 21105), (938, 20790), (945, 20636), (980, 19899), (990, 19698), (1005, 19404), (1078, 18090), (1155, 16884), (1188, 16415), (1206, 16170), (1260, 15477), (1323, 14740), (1340, 14553), (1386, 14070), (1407, 13860), (1470, 13266), (1474, 13230), (1485, 13132), (1540, 12663), (1617, 12060), (1764, 11055), (1809, 10780), (1876, 10395), (1890, 10318), (1980, 9849), (2010, 9702), (2079, 9380), (2156, 9045), (2205, 8844), (2211, 8820), (2310, 8442), (2345, 8316), (2412, 8085), (2646, 7370), (2695, 7236), (2772, 7035), (2814, 6930), (2940, 6633), (2948, 6615), (2970, 6566), (3015, 6468), (3234, 6030), (3283, 5940), (3465, 5628), (3618, 5390), (3685, 5292), (3780, 5159), (4020, 4851), (4158, 4690), (4221, 4620), (4410, 4422)]