19737905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{937}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 6195919

約数列:

[1, 5, 11, 55, 383, 937, 1915, 4213, 4685, 10307, 21065, 51535, 358871, 1794355, 3947581, 19737905]

約数ペア:

[(1, 19737905), (5, 3947581), (11, 1794355), (55, 358871), (383, 51535), (937, 21065), (1915, 10307), (4213, 4685)]