18729123760

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{345811}}^1$

素因数の和:346501

約数の個数: 40

約数和(自身を含む): 43609659696

約数和(自身を除く): 24880535936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3385, 5416, 6770, 10832, 13540, 27080, 54160, 345811, 691622, 1383244, 1729055, 2766488, 3458110, 5532976, 6916220, 13832440, 27664880, 234114047, 468228094, 936456188, 1170570235, 1872912376, 2341140470, 3745824752, 4682280940, 9364561880, 18729123760]

約数ペア:

[(1, 18729123760), (2, 9364561880), (4, 4682280940), (5, 3745824752), (8, 2341140470), (10, 1872912376), (16, 1170570235), (20, 936456188), (40, 468228094), (80, 234114047), (677, 27664880), (1354, 13832440), (2708, 6916220), (3385, 5532976), (5416, 3458110), (6770, 2766488), (10832, 1729055), (13540, 1383244), (27080, 691622), (54160, 345811)]