18648990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{587}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 48707568

約数和(自身を除く): 30058578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 587, 706, 1059, 1174, 1761, 1765, 2118, 2935, 3177, 3522, 3530, 5283, 5295, 5870, 6354, 8805, 10566, 10590, 15885, 17610, 26415, 31770, 52830, 207211, 414422, 621633, 1036055, 1243266, 1864899, 2072110, 3108165, 3729798, 6216330, 9324495, 18648990]

約数ペア:

[(1, 18648990), (2, 9324495), (3, 6216330), (5, 3729798), (6, 3108165), (9, 2072110), (10, 1864899), (15, 1243266), (18, 1036055), (30, 621633), (45, 414422), (90, 207211), (353, 52830), (587, 31770), (706, 26415), (1059, 17610), (1174, 15885), (1761, 10590), (1765, 10566), (2118, 8805), (2935, 6354), (3177, 5870), (3522, 5295), (3530, 5283)]