19409776

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12011}}^1$

素因数の和:12120

約数の個数: 20

約数和(自身を含む): 37981944

約数和(自身を除く): 18572168

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12011, 24022, 48044, 96088, 192176, 1213111, 2426222, 4852444, 9704888, 19409776]

約数ペア:

[(1, 19409776), (2, 9704888), (4, 4852444), (8, 2426222), (16, 1213111), (101, 192176), (202, 96088), (404, 48044), (808, 24022), (1616, 12011)]