19806267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1931}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 8756421

約数列:

[1, 3, 13, 39, 263, 789, 1931, 3419, 5793, 10257, 25103, 75309, 507853, 1523559, 6602089, 19806267]

約数ペア:

[(1, 19806267), (3, 6602089), (13, 1523559), (39, 507853), (263, 75309), (789, 25103), (1931, 10257), (3419, 5793)]