18057860

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1733}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 38016216

約数和(自身を除く): 19958356

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1733, 2084, 2605, 3466, 5210, 6932, 8665, 10420, 17330, 34660, 902893, 1805786, 3611572, 4514465, 9028930, 18057860]

約数ペア:

[(1, 18057860), (2, 9028930), (4, 4514465), (5, 3611572), (10, 1805786), (20, 902893), (521, 34660), (1042, 17330), (1733, 10420), (2084, 8665), (2605, 6932), (3466, 5210)]