18363085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 25256448

約数和(自身を除く): 6893363

約数列:

[1, 5, 13, 23, 65, 71, 115, 173, 299, 355, 865, 923, 1495, 1633, 2249, 3979, 4615, 8165, 11245, 12283, 19895, 21229, 51727, 61415, 106145, 159679, 258635, 282509, 798395, 1412545, 3672617, 18363085]

約数ペア:

[(1, 18363085), (5, 3672617), (13, 1412545), (23, 798395), (65, 282509), (71, 258635), (115, 159679), (173, 106145), (299, 61415), (355, 51727), (865, 21229), (923, 19895), (1495, 12283), (1633, 11245), (2249, 8165), (3979, 4615)]