19397290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9281}}^1$

素因数の和:9318

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 20700950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9281, 18562, 46405, 92810, 102091, 176339, 204182, 352678, 510455, 881695, 1020910, 1763390, 1939729, 3879458, 9698645, 19397290]

約数ペア:

[(1, 19397290), (2, 9698645), (5, 3879458), (10, 1939729), (11, 1763390), (19, 1020910), (22, 881695), (38, 510455), (55, 352678), (95, 204182), (110, 176339), (190, 102091), (209, 92810), (418, 46405), (1045, 18562), (2090, 9281)]