2019437121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{123581}}^1$

素因数の和:124016

約数の個数: 16

約数和(自身を含む): 2906648640

約数和(自身を除く): 887211519

約数列:

[1, 3, 13, 39, 419, 1257, 5447, 16341, 123581, 370743, 1606553, 4819659, 51780439, 155341317, 673145707, 2019437121]

約数ペア:

[(1, 2019437121), (3, 673145707), (13, 155341317), (39, 51780439), (419, 4819659), (1257, 1606553), (5447, 370743), (16341, 123581)]