20191493

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1511}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 4194043

約数列:

[1, 7, 23, 83, 161, 581, 1511, 1909, 10577, 13363, 34753, 125413, 243271, 877891, 2884499, 20191493]

約数ペア:

[(1, 20191493), (7, 2884499), (23, 877891), (83, 243271), (161, 125413), (581, 34753), (1511, 13363), (1909, 10577)]