1804212145

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1\times {\mathrm{4003}}^1$

素因数の和:4944

約数の個数: 16

約数和(自身を含む): 2188105920

約数和(自身を除く): 383893775

約数列:

[1, 5, 109, 545, 827, 4003, 4135, 20015, 90143, 436327, 450715, 2181635, 3310481, 16552405, 360842429, 1804212145]

約数ペア:

[(1, 1804212145), (5, 360842429), (109, 16552405), (545, 3310481), (827, 2181635), (4003, 450715), (4135, 436327), (20015, 90143)]