18063880

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1471}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 40803840

約数和(自身を除く): 22739960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1471, 1535, 2456, 2942, 3070, 5884, 6140, 7355, 11768, 12280, 14710, 29420, 58840, 451597, 903194, 1806388, 2257985, 3612776, 4515970, 9031940, 18063880]

約数ペア:

[(1, 18063880), (2, 9031940), (4, 4515970), (5, 3612776), (8, 2257985), (10, 1806388), (20, 903194), (40, 451597), (307, 58840), (614, 29420), (1228, 14710), (1471, 12280), (1535, 11768), (2456, 7355), (2942, 6140), (3070, 5884)]