19535661

素因数分解:

$3^4\times {\mathrm{433}}^1\times {\mathrm{557}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 29302812

約数和(自身を除く): 9767151

約数列:

[1, 3, 9, 27, 81, 433, 557, 1299, 1671, 3897, 5013, 11691, 15039, 35073, 45117, 241181, 723543, 2170629, 6511887, 19535661]

約数ペア:

[(1, 19535661), (3, 6511887), (9, 2170629), (27, 723543), (81, 241181), (433, 45117), (557, 35073), (1299, 15039), (1671, 11691), (3897, 5013)]