18574120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6361}}^1$

素因数の和:6445

約数の個数: 32

約数和(自身を含む): 42370920

約数和(自身を除く): 23796800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6361, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 464353, 928706, 1857412, 2321765, 3714824, 4643530, 9287060, 18574120]

約数ペア:

[(1, 18574120), (2, 9287060), (4, 4643530), (5, 3714824), (8, 2321765), (10, 1857412), (20, 928706), (40, 464353), (73, 254440), (146, 127220), (292, 63610), (365, 50888), (584, 31805), (730, 25444), (1460, 12722), (2920, 6361)]