18285160

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1091}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 22992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1091, 1676, 2095, 2182, 3352, 4190, 4364, 5455, 8380, 8728, 10910, 16760, 21820, 43640, 457129, 914258, 1828516, 2285645, 3657032, 4571290, 9142580, 18285160]

約数ペア:

[(1, 18285160), (2, 9142580), (4, 4571290), (5, 3657032), (8, 2285645), (10, 1828516), (20, 914258), (40, 457129), (419, 43640), (838, 21820), (1091, 16760), (1676, 10910), (2095, 8728), (2182, 8380), (3352, 5455), (4190, 4364)]