18539457

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 25694208

約数和(自身を除く): 7154751

約数列:

[1, 3, 31, 93, 163, 489, 1223, 3669, 5053, 15159, 37913, 113739, 199349, 598047, 6179819, 18539457]

約数ペア:

[(1, 18539457), (3, 6179819), (31, 598047), (93, 199349), (163, 113739), (489, 37913), (1223, 15159), (3669, 5053)]