18428137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6983}}^1$

素因数の和:7032

約数の個数: 16

約数和(自身を含む): 23466240

約数和(自身を除く): 5038103

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 6983, 48881, 90779, 202507, 635453, 1417549, 2632591, 18428137]

約数ペア:

[(1, 18428137), (7, 2632591), (13, 1417549), (29, 635453), (91, 202507), (203, 90779), (377, 48881), (2639, 6983)]