19925493

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7243}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 30598656

約数和(自身を除く): 10673163

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7243, 21729, 50701, 152103, 948833, 2846499, 6641831, 19925493]

約数ペア:

[(1, 19925493), (3, 6641831), (7, 2846499), (21, 948833), (131, 152103), (393, 50701), (917, 21729), (2751, 7243)]