18940638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137251}}^1$

素因数の和:137279

約数の個数: 16

約数和(自身を含む): 39528576

約数和(自身を除く): 20587938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 137251, 274502, 411753, 823506, 3156773, 6313546, 9470319, 18940638]

約数ペア:

[(1, 18940638), (2, 9470319), (3, 6313546), (6, 3156773), (23, 823506), (46, 411753), (69, 274502), (138, 137251)]