18039020

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1201}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 37963968

約数和(自身を除く): 19924948

約数列:

[1, 2, 4, 5, 10, 20, 751, 1201, 1502, 2402, 3004, 3755, 4804, 6005, 7510, 12010, 15020, 24020, 901951, 1803902, 3607804, 4509755, 9019510, 18039020]

約数ペア:

[(1, 18039020), (2, 9019510), (4, 4509755), (5, 3607804), (10, 1803902), (20, 901951), (751, 24020), (1201, 15020), (1502, 12010), (2402, 7510), (3004, 6005), (3755, 4804)]