18984335

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 23561280

約数和(自身を除く): 4576945

約数列:

[1, 5, 53, 71, 265, 355, 1009, 3763, 5045, 18815, 53477, 71639, 267385, 358195, 3796867, 18984335]

約数ペア:

[(1, 18984335), (5, 3796867), (53, 358195), (71, 267385), (265, 71639), (355, 53477), (1009, 18815), (3763, 5045)]