18403820

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2467}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 38767344

約数和(自身を除く): 20363524

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2467, 3730, 4934, 7460, 9868, 12335, 24670, 49340, 920191, 1840382, 3680764, 4600955, 9201910, 18403820]

約数ペア:

[(1, 18403820), (2, 9201910), (4, 4600955), (5, 3680764), (10, 1840382), (20, 920191), (373, 49340), (746, 24670), (1492, 12335), (1865, 9868), (2467, 7460), (3730, 4934)]