18463240

素因数分解:

$2^3\times 5^1\times {\mathrm{461581}}^1$

素因数の和:461592

約数の個数: 16

約数和(自身を含む): 41542380

約数和(自身を除く): 23079140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461581, 923162, 1846324, 2307905, 3692648, 4615810, 9231620, 18463240]

約数ペア:

[(1, 18463240), (2, 9231620), (4, 4615810), (5, 3692648), (8, 2307905), (10, 1846324), (20, 923162), (40, 461581)]