18450160

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 43184736

約数和(自身を除く): 24734576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1381, 1670, 2672, 2762, 3340, 5524, 6680, 6905, 11048, 13360, 13810, 22096, 27620, 55240, 110480, 230627, 461254, 922508, 1153135, 1845016, 2306270, 3690032, 4612540, 9225080, 18450160]

約数ペア:

[(1, 18450160), (2, 9225080), (4, 4612540), (5, 3690032), (8, 2306270), (10, 1845016), (16, 1153135), (20, 922508), (40, 461254), (80, 230627), (167, 110480), (334, 55240), (668, 27620), (835, 22096), (1336, 13810), (1381, 13360), (1670, 11048), (2672, 6905), (2762, 6680), (3340, 5524)]