19640091

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 9666789

約数列:

[1, 3, 19, 23, 57, 69, 71, 211, 213, 437, 633, 1311, 1349, 1633, 4009, 4047, 4853, 4899, 12027, 14559, 14981, 31027, 44943, 92207, 93081, 276621, 284639, 344563, 853917, 1033689, 6546697, 19640091]

約数ペア:

[(1, 19640091), (3, 6546697), (19, 1033689), (23, 853917), (57, 344563), (69, 284639), (71, 276621), (211, 93081), (213, 92207), (437, 44943), (633, 31027), (1311, 14981), (1349, 14559), (1633, 12027), (4009, 4899), (4047, 4853)]