18407247

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 6786993

約数列:

[1, 3, 71, 89, 213, 267, 971, 2913, 6319, 18957, 68941, 86419, 206823, 259257, 6135749, 18407247]

約数ペア:

[(1, 18407247), (3, 6135749), (71, 259257), (89, 206823), (213, 86419), (267, 68941), (971, 18957), (2913, 6319)]