18573160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2357}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 42019560

約数和(自身を除く): 23446400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2357, 3940, 4714, 7880, 9428, 11785, 18856, 23570, 47140, 94280, 464329, 928658, 1857316, 2321645, 3714632, 4643290, 9286580, 18573160]

約数ペア:

[(1, 18573160), (2, 9286580), (4, 4643290), (5, 3714632), (8, 2321645), (10, 1857316), (20, 928658), (40, 464329), (197, 94280), (394, 47140), (788, 23570), (985, 18856), (1576, 11785), (1970, 9428), (2357, 7880), (3940, 4714)]