20181877218

素因数分解:

$2^1\times 3^4\times {\mathrm{2161}}^1\times {\mathrm{57649}}^1$

素因数の和:59824

約数の個数: 40

約数和(自身を含む): 45244065900

約数和(自身を除く): 25062188682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2161, 4322, 6483, 12966, 19449, 38898, 57649, 58347, 115298, 116694, 172947, 175041, 345894, 350082, 518841, 1037682, 1556523, 3113046, 4669569, 9339138, 124579489, 249158978, 373738467, 747476934, 1121215401, 2242430802, 3363646203, 6727292406, 10090938609, 20181877218]

約数ペア:

[(1, 20181877218), (2, 10090938609), (3, 6727292406), (6, 3363646203), (9, 2242430802), (18, 1121215401), (27, 747476934), (54, 373738467), (81, 249158978), (162, 124579489), (2161, 9339138), (4322, 4669569), (6483, 3113046), (12966, 1556523), (19449, 1037682), (38898, 518841), (57649, 350082), (58347, 345894), (115298, 175041), (116694, 172947)]