18371518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43951}}^1$

素因数の和:43983

約数の個数: 16

約数和(自身を含む): 31645440

約数和(自身を除く): 13273922

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43951, 87902, 483461, 835069, 966922, 1670138, 9185759, 18371518]

約数ペア:

[(1, 18371518), (2, 9185759), (11, 1670138), (19, 966922), (22, 835069), (38, 483461), (209, 87902), (418, 43951)]