19622519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 23536128

約数和(自身を除く): 3913609

約数列:

[1, 7, 23, 161, 307, 397, 2149, 2779, 7061, 9131, 49427, 63917, 121879, 853153, 2803217, 19622519]

約数ペア:

[(1, 19622519), (7, 2803217), (23, 853153), (161, 121879), (307, 63917), (397, 49427), (2149, 9131), (2779, 7061)]