19199660

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4229}}^1$

素因数の和:4465

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 21306820

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4229, 4540, 8458, 16916, 21145, 42290, 84580, 959983, 1919966, 3839932, 4799915, 9599830, 19199660]

約数ペア:

[(1, 19199660), (2, 9599830), (4, 4799915), (5, 3839932), (10, 1919966), (20, 959983), (227, 84580), (454, 42290), (908, 21145), (1135, 16916), (2270, 8458), (4229, 4540)]