39720018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13763}}^1$

素因数の和:13818

約数の個数: 32

約数和(自身を含む): 87869376

約数和(自身を除く): 48149358

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 13763, 27526, 41289, 82578, 178919, 357838, 509231, 536757, 1018462, 1073514, 1527693, 3055386, 6620003, 13240006, 19860009, 39720018]

約数ペア:

[(1, 39720018), (2, 19860009), (3, 13240006), (6, 6620003), (13, 3055386), (26, 1527693), (37, 1073514), (39, 1018462), (74, 536757), (78, 509231), (111, 357838), (222, 178919), (481, 82578), (962, 41289), (1443, 27526), (2886, 13763)]