18261080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 24740200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 863, 920, 1058, 1726, 2116, 2645, 3452, 4232, 4315, 5290, 6904, 8630, 10580, 17260, 19849, 21160, 34520, 39698, 79396, 99245, 158792, 198490, 396980, 456527, 793960, 913054, 1826108, 2282635, 3652216, 4565270, 9130540, 18261080]

約数ペア:

[(1, 18261080), (2, 9130540), (4, 4565270), (5, 3652216), (8, 2282635), (10, 1826108), (20, 913054), (23, 793960), (40, 456527), (46, 396980), (92, 198490), (115, 158792), (184, 99245), (230, 79396), (460, 39698), (529, 34520), (863, 21160), (920, 19849), (1058, 17260), (1726, 10580), (2116, 8630), (2645, 6904), (3452, 5290), (4232, 4315)]