18622981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 2061179

約数列:

[1, 13, 53, 151, 179, 689, 1963, 2327, 8003, 9487, 27029, 104039, 123331, 351377, 1432537, 18622981]

約数ペア:

[(1, 18622981), (13, 1432537), (53, 351377), (151, 123331), (179, 104039), (689, 27029), (1963, 9487), (2327, 8003)]