18820150

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3331}}^1$

素因数の和:3456

約数の個数: 24

約数和(自身を含む): 35325864

約数和(自身を除く): 16505714

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3331, 5650, 6662, 16655, 33310, 83275, 166550, 376403, 752806, 1882015, 3764030, 9410075, 18820150]

約数ペア:

[(1, 18820150), (2, 9410075), (5, 3764030), (10, 1882015), (25, 752806), (50, 376403), (113, 166550), (226, 83275), (565, 33310), (1130, 16655), (2825, 6662), (3331, 5650)]