19213901

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 3899827

約数列:

[1, 7, 23, 131, 161, 911, 917, 3013, 6377, 20953, 21091, 119341, 146671, 835387, 2744843, 19213901]

約数ペア:

[(1, 19213901), (7, 2744843), (23, 835387), (131, 146671), (161, 119341), (911, 21091), (917, 20953), (3013, 6377)]