19091023

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 3211697

約数列:

[1, 7, 109, 131, 191, 763, 917, 1337, 14279, 20819, 25021, 99953, 145733, 175147, 2727289, 19091023]

約数ペア:

[(1, 19091023), (7, 2727289), (109, 175147), (131, 145733), (191, 99953), (763, 25021), (917, 20819), (1337, 14279)]