19218860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18131}}^1$

素因数の和:18193

約数の個数: 24

約数和(自身を含む): 41123376

約数和(自身を除く): 21904516

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18131, 36262, 72524, 90655, 181310, 362620, 960943, 1921886, 3843772, 4804715, 9609430, 19218860]

約数ペア:

[(1, 19218860), (2, 9609430), (4, 4804715), (5, 3843772), (10, 1921886), (20, 960943), (53, 362620), (106, 181310), (212, 90655), (265, 72524), (530, 36262), (1060, 18131)]