18978284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2417}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 36018528

約数和(自身を除く): 17040244

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2417, 3926, 4834, 7852, 9668, 31421, 62842, 125684, 364967, 729934, 1459868, 4744571, 9489142, 18978284]

約数ペア:

[(1, 18978284), (2, 9489142), (4, 4744571), (13, 1459868), (26, 729934), (52, 364967), (151, 125684), (302, 62842), (604, 31421), (1963, 9668), (2417, 7852), (3926, 4834)]