18640312

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{43963}}^1$

素因数の和:44022

約数の個数: 16

約数和(自身を含む): 35610840

約数和(自身を除く): 16970528

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 43963, 87926, 175852, 351704, 2330039, 4660078, 9320156, 18640312]

約数ペア:

[(1, 18640312), (2, 9320156), (4, 4660078), (8, 2330039), (53, 351704), (106, 175852), (212, 87926), (424, 43963)]