19161693

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 28394496

約数和(自身を除く): 9232803

約数列:

[1, 3, 9, 71, 157, 191, 213, 471, 573, 639, 1413, 1719, 11147, 13561, 29987, 33441, 40683, 89961, 100323, 122049, 269883, 2129077, 6387231, 19161693]

約数ペア:

[(1, 19161693), (3, 6387231), (9, 2129077), (71, 269883), (157, 122049), (191, 100323), (213, 89961), (471, 40683), (573, 33441), (639, 29987), (1413, 13561), (1719, 11147)]