18353913

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 6713607

約数列:

[1, 3, 67, 127, 201, 381, 719, 2157, 8509, 25527, 48173, 91313, 144519, 273939, 6117971, 18353913]

約数ペア:

[(1, 18353913), (3, 6117971), (67, 273939), (127, 144519), (201, 91313), (381, 48173), (719, 25527), (2157, 8509)]