18906812

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{19777}}^1$

素因数の和:20020

約数の個数: 12

約数和(自身を含む): 33227040

約数和(自身を除く): 14320228

約数列:

[1, 2, 4, 239, 478, 956, 19777, 39554, 79108, 4726703, 9453406, 18906812]

約数ペア:

[(1, 18906812), (2, 9453406), (4, 4726703), (239, 79108), (478, 39554), (956, 19777)]