19810938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5683}}^1$

素因数の和:5778

約数の個数: 32

約数和(自身を含む): 45835776

約数和(自身を除く): 26024838

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 5683, 11366, 17049, 34098, 39781, 79562, 119343, 238686, 471689, 943378, 1415067, 2830134, 3301823, 6603646, 9905469, 19810938]

約数ペア:

[(1, 19810938), (2, 9905469), (3, 6603646), (6, 3301823), (7, 2830134), (14, 1415067), (21, 943378), (42, 471689), (83, 238686), (166, 119343), (249, 79562), (498, 39781), (581, 34098), (1162, 17049), (1743, 11366), (3486, 5683)]