18430783

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21542400

約数和(自身を除く): 3111617

約数列:

[1, 7, 101, 131, 199, 707, 917, 1393, 13231, 20099, 26069, 92617, 140693, 182483, 2632969, 18430783]

約数ペア:

[(1, 18430783), (7, 2632969), (101, 182483), (131, 140693), (199, 92617), (707, 26069), (917, 20099), (1393, 13231)]