18656157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 11220963

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1481, 4199, 4443, 12597, 19253, 25177, 28139, 57759, 75531, 84417, 327301, 365807, 478363, 981903, 1097421, 1435089, 6218719, 18656157]

約数ペア:

[(1, 18656157), (3, 6218719), (13, 1435089), (17, 1097421), (19, 981903), (39, 478363), (51, 365807), (57, 327301), (221, 84417), (247, 75531), (323, 57759), (663, 28139), (741, 25177), (969, 19253), (1481, 12597), (4199, 4443)]