19552503

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 26555616

約数和(自身を除く): 7003113

約数列:

[1, 3, 113, 137, 339, 411, 421, 1263, 15481, 46443, 47573, 57677, 142719, 173031, 6517501, 19552503]

約数ペア:

[(1, 19552503), (3, 6517501), (113, 173031), (137, 142719), (339, 57677), (411, 47573), (421, 46443), (1263, 15481)]