18883529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 22954752

約数和(自身を除く): 4071223

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2213, 8533, 15491, 50899, 117289, 356293, 821023, 2697647, 18883529]

約数ペア:

[(1, 18883529), (7, 2697647), (23, 821023), (53, 356293), (161, 117289), (371, 50899), (1219, 15491), (2213, 8533)]