18245405

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 22450944

約数和(自身を除く): 4205539

約数列:

[1, 5, 61, 163, 305, 367, 815, 1835, 9943, 22387, 49715, 59821, 111935, 299105, 3649081, 18245405]

約数ペア:

[(1, 18245405), (5, 3649081), (61, 299105), (163, 111935), (305, 59821), (367, 49715), (815, 22387), (1835, 9943)]