18218379

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 6729621

約数列:

[1, 3, 53, 149, 159, 447, 769, 2307, 7897, 23691, 40757, 114581, 122271, 343743, 6072793, 18218379]

約数ペア:

[(1, 18218379), (3, 6072793), (53, 343743), (149, 122271), (159, 114581), (447, 40757), (769, 23691), (2307, 7897)]