18871233026

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1\times {\mathrm{77563}}^1$

素因数の和:78313

約数の個数: 16

約数和(自身を含む): 28481500800

約数和(自身を除く): 9610267774

約数列:

[1, 2, 239, 478, 509, 1018, 77563, 121651, 155126, 243302, 18537557, 37075114, 39479567, 78959134, 9435616513, 18871233026]

約数ペア:

[(1, 18871233026), (2, 9435616513), (239, 78959134), (478, 39479567), (509, 37075114), (1018, 18537557), (77563, 243302), (121651, 155126)]