19712911691

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1657801}}^1$

素因数の和:1657882

約数の個数: 16

約数和(自身を含む): 22917454848

約数和(自身を除く): 3204543157

約数列:

[1, 11, 23, 47, 253, 517, 1081, 11891, 1657801, 18235811, 38129423, 77916647, 419423653, 857083117, 1792082881, 19712911691]

約数ペア:

[(1, 19712911691), (11, 1792082881), (23, 857083117), (47, 419423653), (253, 77916647), (517, 38129423), (1081, 18235811), (11891, 1657801)]