18789540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 48948060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 83, 84, 98, 105, 110, 132, 140, 147, 154, 165, 166, 196, 210, 220, 231, 245, 249, 294, 308, 330, 332, 343, 385, 415, 420, 462, 490, 498, 539, 581, 588, 660, 686, 735, 770, 830, 913, 924, 980, 996, 1029, 1078, 1155, 1162, 1245, 1372, 1470, 1540, 1617, 1660, 1715, 1743, 1826, 2058, 2156, 2310, 2324, 2490, 2695, 2739, 2905, 2940, 3234, 3430, 3486, 3652, 3773, 4067, 4116, 4565, 4620, 4980, 5145, 5390, 5478, 5810, 6391, 6468, 6860, 6972, 7546, 8085, 8134, 8715, 9130, 10290, 10780, 10956, 11319, 11620, 12201, 12782, 13695, 15092, 16170, 16268, 17430, 18260, 18865, 19173, 20335, 20580, 22638, 24402, 25564, 27390, 28469, 31955, 32340, 34860, 37730, 38346, 40670, 44737, 45276, 48804, 54780, 56595, 56938, 61005, 63910, 75460, 76692, 81340, 85407, 89474, 95865, 113190, 113876, 122010, 127820, 134211, 142345, 170814, 178948, 191730, 223685, 226380, 244020, 268422, 284690, 313159, 341628, 383460, 427035, 447370, 536844, 569380, 626318, 671055, 854070, 894740, 939477, 1252636, 1342110, 1565795, 1708140, 1878954, 2684220, 3131590, 3757908, 4697385, 6263180, 9394770, 18789540]

約数ペア:

[(1, 18789540), (2, 9394770), (3, 6263180), (4, 4697385), (5, 3757908), (6, 3131590), (7, 2684220), (10, 1878954), (11, 1708140), (12, 1565795), (14, 1342110), (15, 1252636), (20, 939477), (21, 894740), (22, 854070), (28, 671055), (30, 626318), (33, 569380), (35, 536844), (42, 447370), (44, 427035), (49, 383460), (55, 341628), (60, 313159), (66, 284690), (70, 268422), (77, 244020), (83, 226380), (84, 223685), (98, 191730), (105, 178948), (110, 170814), (132, 142345), (140, 134211), (147, 127820), (154, 122010), (165, 113876), (166, 113190), (196, 95865), (210, 89474), (220, 85407), (231, 81340), (245, 76692), (249, 75460), (294, 63910), (308, 61005), (330, 56938), (332, 56595), (343, 54780), (385, 48804), (415, 45276), (420, 44737), (462, 40670), (490, 38346), (498, 37730), (539, 34860), (581, 32340), (588, 31955), (660, 28469), (686, 27390), (735, 25564), (770, 24402), (830, 22638), (913, 20580), (924, 20335), (980, 19173), (996, 18865), (1029, 18260), (1078, 17430), (1155, 16268), (1162, 16170), (1245, 15092), (1372, 13695), (1470, 12782), (1540, 12201), (1617, 11620), (1660, 11319), (1715, 10956), (1743, 10780), (1826, 10290), (2058, 9130), (2156, 8715), (2310, 8134), (2324, 8085), (2490, 7546), (2695, 6972), (2739, 6860), (2905, 6468), (2940, 6391), (3234, 5810), (3430, 5478), (3486, 5390), (3652, 5145), (3773, 4980), (4067, 4620), (4116, 4565)]