18748977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28279}}^1$

素因数の和:28312

約数の個数: 16

約数和(自身を含む): 28506240

約数和(自身を除く): 9757263

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28279, 84837, 367627, 480743, 1102881, 1442229, 6249659, 18748977]

約数ペア:

[(1, 18748977), (3, 6249659), (13, 1442229), (17, 1102881), (39, 480743), (51, 367627), (221, 84837), (663, 28279)]