18627040

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2539

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 26333792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2477, 3760, 4954, 7520, 9908, 12385, 19816, 24770, 39632, 49540, 79264, 99080, 116419, 198160, 232838, 396320, 465676, 582095, 931352, 1164190, 1862704, 2328380, 3725408, 4656760, 9313520, 18627040]

約数ペア:

[(1, 18627040), (2, 9313520), (4, 4656760), (5, 3725408), (8, 2328380), (10, 1862704), (16, 1164190), (20, 931352), (32, 582095), (40, 465676), (47, 396320), (80, 232838), (94, 198160), (160, 116419), (188, 99080), (235, 79264), (376, 49540), (470, 39632), (752, 24770), (940, 19816), (1504, 12385), (1880, 9908), (2477, 7520), (3760, 4954)]