18801560

素因数分解:

$2^3\times 5^1\times {\mathrm{470039}}^1$

素因数の和:470050

約数の個数: 16

約数和(自身を含む): 42303600

約数和(自身を除く): 23502040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470039, 940078, 1880156, 2350195, 3760312, 4700390, 9400780, 18801560]

約数ペア:

[(1, 18801560), (2, 9400780), (4, 4700390), (5, 3760312), (8, 2350195), (10, 1880156), (20, 940078), (40, 470039)]