189134420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{21347}}^1$

素因数の和:21799

約数の個数: 24

約数和(自身を含む): 398097504

約数和(自身を除く): 208963084

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 21347, 42694, 85388, 106735, 213470, 426940, 9456721, 18913442, 37826884, 47283605, 94567210, 189134420]

約数ペア:

[(1, 189134420), (2, 94567210), (4, 47283605), (5, 37826884), (10, 18913442), (20, 9456721), (443, 426940), (886, 213470), (1772, 106735), (2215, 85388), (4430, 42694), (8860, 21347)]