18953529

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10141}}^1$

素因数の和:10240

約数の個数: 16

約数和(自身を含む): 29208960

約数和(自身を除く): 10255431

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10141, 30423, 70987, 212961, 902549, 2707647, 6317843, 18953529]

約数ペア:

[(1, 18953529), (3, 6317843), (7, 2707647), (21, 902549), (89, 212961), (267, 70987), (623, 30423), (1869, 10141)]