19198860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{319981}}^1$

素因数の和:319993

約数の個数: 24

約数和(自身を含む): 53756976

約数和(自身を除く): 34558116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 319981, 639962, 959943, 1279924, 1599905, 1919886, 3199810, 3839772, 4799715, 6399620, 9599430, 19198860]

約数ペア:

[(1, 19198860), (2, 9599430), (3, 6399620), (4, 4799715), (5, 3839772), (6, 3199810), (10, 1919886), (12, 1599905), (15, 1279924), (20, 959943), (30, 639962), (60, 319981)]