18787020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 42854196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1091, 1148, 1230, 1435, 1722, 2182, 2460, 2870, 3273, 3444, 4305, 4364, 5455, 5740, 6546, 7637, 8610, 10910, 13092, 15274, 16365, 17220, 21820, 22911, 30548, 32730, 38185, 44731, 45822, 65460, 76370, 89462, 91644, 114555, 134193, 152740, 178924, 223655, 229110, 268386, 313117, 447310, 458220, 536772, 626234, 670965, 894620, 939351, 1252468, 1341930, 1565585, 1878702, 2683860, 3131170, 3757404, 4696755, 6262340, 9393510, 18787020]

約数ペア:

[(1, 18787020), (2, 9393510), (3, 6262340), (4, 4696755), (5, 3757404), (6, 3131170), (7, 2683860), (10, 1878702), (12, 1565585), (14, 1341930), (15, 1252468), (20, 939351), (21, 894620), (28, 670965), (30, 626234), (35, 536772), (41, 458220), (42, 447310), (60, 313117), (70, 268386), (82, 229110), (84, 223655), (105, 178924), (123, 152740), (140, 134193), (164, 114555), (205, 91644), (210, 89462), (246, 76370), (287, 65460), (410, 45822), (420, 44731), (492, 38185), (574, 32730), (615, 30548), (820, 22911), (861, 21820), (1091, 17220), (1148, 16365), (1230, 15274), (1435, 13092), (1722, 10910), (2182, 8610), (2460, 7637), (2870, 6546), (3273, 5740), (3444, 5455), (4305, 4364)]