16642090

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1889}}^1$

素因数の和:2777

約数の個数: 16

約数和(自身を含む): 30005640

約数和(自身を除く): 13363550

約数列:

[1, 2, 5, 10, 881, 1762, 1889, 3778, 4405, 8810, 9445, 18890, 1664209, 3328418, 8321045, 16642090]

約数ペア:

[(1, 16642090), (2, 8321045), (5, 3328418), (10, 1664209), (881, 18890), (1762, 9445), (1889, 8810), (3778, 4405)]