19722385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 5160815

約数列:

[1, 5, 23, 115, 149, 745, 1151, 3427, 5755, 17135, 26473, 132365, 171499, 857495, 3944477, 19722385]

約数ペア:

[(1, 19722385), (5, 3944477), (23, 857495), (115, 171499), (149, 132365), (745, 26473), (1151, 17135), (3427, 5755)]