18686584945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{23213149}}^1$

素因数の和:23213184

約数の個数: 16

約数和(自身を含む): 26741548800

約数和(自身を除く): 8054963855

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 23213149, 116065745, 162492043, 533902427, 812460215, 2669512135, 3737316989, 18686584945]

約数ペア:

[(1, 18686584945), (5, 3737316989), (7, 2669512135), (23, 812460215), (35, 533902427), (115, 162492043), (161, 116065745), (805, 23213149)]