19837389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3557}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 31253472

約数和(自身を除く): 11416083

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3557, 5577, 10671, 39127, 46241, 117381, 138723, 508651, 601133, 1525953, 1803399, 6612463, 19837389]

約数ペア:

[(1, 19837389), (3, 6612463), (11, 1803399), (13, 1525953), (33, 601133), (39, 508651), (143, 138723), (169, 117381), (429, 46241), (507, 39127), (1859, 10671), (3557, 5577)]