19860735

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8123}}^1$

素因数の和:8294

約数の個数: 16

約数和(自身を含む): 31976064

約数和(自身を除く): 12115329

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8123, 24369, 40615, 121845, 1324049, 3972147, 6620245, 19860735]

約数ペア:

[(1, 19860735), (3, 6620245), (5, 3972147), (15, 1324049), (163, 121845), (489, 40615), (815, 24369), (2445, 8123)]