19459882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11171}}^1$

素因数の和:11253

約数の個数: 16

約数和(自身を含む): 31907232

約数和(自身を除く): 12447350

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11171, 22342, 145223, 290446, 748457, 1496914, 9729941, 19459882]

約数ペア:

[(1, 19459882), (2, 9729941), (13, 1496914), (26, 748457), (67, 290446), (134, 145223), (871, 22342), (1742, 11171)]