19982482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11471}}^1$

素因数の和:11553

約数の個数: 16

約数和(自身を含む): 32764032

約数和(自身を除く): 12781550

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11471, 22942, 149123, 298246, 768557, 1537114, 9991241, 19982482]

約数ペア:

[(1, 19982482), (2, 9991241), (13, 1537114), (26, 768557), (67, 298246), (134, 149123), (871, 22942), (1742, 11471)]