18730366

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:683

約数の個数: 16

約数和(自身を含む): 28526256

約数和(自身を除く): 9795890

約数列:

[1, 2, 137, 197, 274, 347, 394, 694, 26989, 47539, 53978, 68359, 95078, 136718, 9365183, 18730366]

約数ペア:

[(1, 18730366), (2, 9365183), (137, 136718), (197, 95078), (274, 68359), (347, 53978), (394, 47539), (694, 26989)]