18740528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68899}}^1$

素因数の和:68924

約数の個数: 20

約数和(自身を含む): 38446200

約数和(自身を除く): 19705672

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68899, 137798, 275596, 551192, 1102384, 1171283, 2342566, 4685132, 9370264, 18740528]

約数ペア:

[(1, 18740528), (2, 9370264), (4, 4685132), (8, 2342566), (16, 1171283), (17, 1102384), (34, 551192), (68, 275596), (136, 137798), (272, 68899)]