19713730

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9343}}^1$

素因数の和:9561

約数の個数: 16

約数和(自身を含む): 35656704

約数和(自身を除く): 15942974

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9343, 18686, 46715, 93430, 1971373, 3942746, 9856865, 19713730]

約数ペア:

[(1, 19713730), (2, 9856865), (5, 3942746), (10, 1971373), (211, 93430), (422, 46715), (1055, 18686), (2110, 9343)]