18439953

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6703}}^1$

素因数の和:6844

約数の個数: 16

約数和(自身を含む): 28317696

約数和(自身を除く): 9877743

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 6703, 20109, 46921, 140763, 878093, 2634279, 6146651, 18439953]

約数ペア:

[(1, 18439953), (3, 6146651), (7, 2634279), (21, 878093), (131, 140763), (393, 46921), (917, 20109), (2751, 6703)]