18447080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2341}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 41734440

約数和(自身を除く): 23287360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2341, 3940, 4682, 7880, 9364, 11705, 18728, 23410, 46820, 93640, 461177, 922354, 1844708, 2305885, 3689416, 4611770, 9223540, 18447080]

約数ペア:

[(1, 18447080), (2, 9223540), (4, 4611770), (5, 3689416), (8, 2305885), (10, 1844708), (20, 922354), (40, 461177), (197, 93640), (394, 46820), (788, 23410), (985, 18728), (1576, 11705), (1970, 9364), (2341, 7880), (3940, 4682)]