19431139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3187}}^1$

素因数の和:3274

約数の個数: 16

約数和(自身を含む): 24279808

約数和(自身を除く): 4848669

約数列:

[1, 7, 13, 67, 91, 469, 871, 3187, 6097, 22309, 41431, 213529, 290017, 1494703, 2775877, 19431139]

約数ペア:

[(1, 19431139), (7, 2775877), (13, 1494703), (67, 290017), (91, 213529), (469, 41431), (871, 22309), (3187, 6097)]