18748119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{743}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 8250153

約数列:

[1, 3, 13, 39, 647, 743, 1941, 2229, 8411, 9659, 25233, 28977, 480721, 1442163, 6249373, 18748119]

約数ペア:

[(1, 18748119), (3, 6249373), (13, 1442163), (39, 480721), (647, 28977), (743, 25233), (1941, 9659), (2229, 8411)]