18494360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2347}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 41841360

約数和(自身を除く): 23347000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2347, 3940, 4694, 7880, 9388, 11735, 18776, 23470, 46940, 93880, 462359, 924718, 1849436, 2311795, 3698872, 4623590, 9247180, 18494360]

約数ペア:

[(1, 18494360), (2, 9247180), (4, 4623590), (5, 3698872), (8, 2311795), (10, 1849436), (20, 924718), (40, 462359), (197, 93880), (394, 46940), (788, 23470), (985, 18776), (1576, 11735), (1970, 9388), (2347, 7880), (3940, 4694)]