19856340

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 76108032

約数和(自身を除く): 56251692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 103, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 206, 210, 238, 252, 255, 270, 306, 309, 315, 324, 340, 357, 378, 405, 412, 420, 459, 476, 510, 515, 540, 567, 595, 612, 618, 630, 714, 721, 756, 765, 810, 918, 927, 945, 1020, 1030, 1071, 1134, 1190, 1236, 1260, 1377, 1428, 1442, 1530, 1545, 1620, 1751, 1785, 1836, 1854, 1890, 2060, 2142, 2163, 2268, 2295, 2380, 2754, 2781, 2835, 2884, 3060, 3090, 3213, 3502, 3570, 3605, 3708, 3780, 4284, 4326, 4590, 4635, 5253, 5355, 5508, 5562, 5670, 6180, 6426, 6489, 6885, 7004, 7140, 7210, 8343, 8652, 8755, 9180, 9270, 9639, 10506, 10710, 10815, 11124, 11340, 12257, 12852, 12978, 13770, 13905, 14420, 15759, 16065, 16686, 17510, 18540, 19278, 19467, 21012, 21420, 21630, 24514, 25956, 26265, 27540, 27810, 31518, 32130, 32445, 33372, 35020, 36771, 38556, 38934, 41715, 43260, 47277, 48195, 49028, 52530, 55620, 58401, 61285, 63036, 64260, 64890, 73542, 77868, 78795, 83430, 94554, 96390, 97335, 105060, 110313, 116802, 122570, 129780, 141831, 147084, 157590, 166860, 183855, 189108, 192780, 194670, 220626, 233604, 236385, 245140, 283662, 292005, 315180, 330939, 367710, 389340, 441252, 472770, 551565, 567324, 584010, 661878, 709155, 735420, 945540, 992817, 1103130, 1168020, 1323756, 1418310, 1654695, 1985634, 2206260, 2836620, 3309390, 3971268, 4964085, 6618780, 9928170, 19856340]

約数ペア:

[(1, 19856340), (2, 9928170), (3, 6618780), (4, 4964085), (5, 3971268), (6, 3309390), (7, 2836620), (9, 2206260), (10, 1985634), (12, 1654695), (14, 1418310), (15, 1323756), (17, 1168020), (18, 1103130), (20, 992817), (21, 945540), (27, 735420), (28, 709155), (30, 661878), (34, 584010), (35, 567324), (36, 551565), (42, 472770), (45, 441252), (51, 389340), (54, 367710), (60, 330939), (63, 315180), (68, 292005), (70, 283662), (81, 245140), (84, 236385), (85, 233604), (90, 220626), (102, 194670), (103, 192780), (105, 189108), (108, 183855), (119, 166860), (126, 157590), (135, 147084), (140, 141831), (153, 129780), (162, 122570), (170, 116802), (180, 110313), (189, 105060), (204, 97335), (206, 96390), (210, 94554), (238, 83430), (252, 78795), (255, 77868), (270, 73542), (306, 64890), (309, 64260), (315, 63036), (324, 61285), (340, 58401), (357, 55620), (378, 52530), (405, 49028), (412, 48195), (420, 47277), (459, 43260), (476, 41715), (510, 38934), (515, 38556), (540, 36771), (567, 35020), (595, 33372), (612, 32445), (618, 32130), (630, 31518), (714, 27810), (721, 27540), (756, 26265), (765, 25956), (810, 24514), (918, 21630), (927, 21420), (945, 21012), (1020, 19467), (1030, 19278), (1071, 18540), (1134, 17510), (1190, 16686), (1236, 16065), (1260, 15759), (1377, 14420), (1428, 13905), (1442, 13770), (1530, 12978), (1545, 12852), (1620, 12257), (1751, 11340), (1785, 11124), (1836, 10815), (1854, 10710), (1890, 10506), (2060, 9639), (2142, 9270), (2163, 9180), (2268, 8755), (2295, 8652), (2380, 8343), (2754, 7210), (2781, 7140), (2835, 7004), (2884, 6885), (3060, 6489), (3090, 6426), (3213, 6180), (3502, 5670), (3570, 5562), (3605, 5508), (3708, 5355), (3780, 5253), (4284, 4635), (4326, 4590)]