18460840

素因数分解:

$2^3\times 5^1\times {\mathrm{461521}}^1$

素因数の和:461532

約数の個数: 16

約数和(自身を含む): 41536980

約数和(自身を除く): 23076140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461521, 923042, 1846084, 2307605, 3692168, 4615210, 9230420, 18460840]

約数ペア:

[(1, 18460840), (2, 9230420), (4, 4615210), (5, 3692168), (8, 2307605), (10, 1846084), (20, 923042), (40, 461521)]