19758120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 39857880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 719, 916, 1145, 1374, 1438, 1832, 2157, 2290, 2748, 2876, 3435, 3595, 4314, 4580, 5496, 5752, 6870, 7190, 8628, 9160, 10785, 13740, 14380, 17256, 21570, 27480, 28760, 43140, 86280, 164651, 329302, 493953, 658604, 823255, 987906, 1317208, 1646510, 1975812, 2469765, 3293020, 3951624, 4939530, 6586040, 9879060, 19758120]

約数ペア:

[(1, 19758120), (2, 9879060), (3, 6586040), (4, 4939530), (5, 3951624), (6, 3293020), (8, 2469765), (10, 1975812), (12, 1646510), (15, 1317208), (20, 987906), (24, 823255), (30, 658604), (40, 493953), (60, 329302), (120, 164651), (229, 86280), (458, 43140), (687, 28760), (719, 27480), (916, 21570), (1145, 17256), (1374, 14380), (1438, 13740), (1832, 10785), (2157, 9160), (2290, 8628), (2748, 7190), (2876, 6870), (3435, 5752), (3595, 5496), (4314, 4580)]