19754550431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11154461}}^1$

素因数の和:11154502

約数の個数: 16

約数和(自身を含む): 25699880448

約数和(自身を除く): 5945330017

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11154461, 78081227, 122699071, 256552603, 858893497, 1795868221, 2822078633, 19754550431]

約数ペア:

[(1, 19754550431), (7, 2822078633), (11, 1795868221), (23, 858893497), (77, 256552603), (161, 122699071), (253, 78081227), (1771, 11154461)]