18712304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89963}}^1$

素因数の和:89984

約数の個数: 20

約数和(自身を含む): 39044376

約数和(自身を除く): 20332072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89963, 179926, 359852, 719704, 1169519, 1439408, 2339038, 4678076, 9356152, 18712304]

約数ペア:

[(1, 18712304), (2, 9356152), (4, 4678076), (8, 2339038), (13, 1439408), (16, 1169519), (26, 719704), (52, 359852), (104, 179926), (208, 89963)]