18408680

素因数分解:

$2^3\times 5^1\times {\mathrm{460217}}^1$

素因数の和:460228

約数の個数: 16

約数和(自身を含む): 41419620

約数和(自身を除く): 23010940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460217, 920434, 1840868, 2301085, 3681736, 4602170, 9204340, 18408680]

約数ペア:

[(1, 18408680), (2, 9204340), (4, 4602170), (5, 3681736), (8, 2301085), (10, 1840868), (20, 920434), (40, 460217)]