18574985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 26587008

約数和(自身を除く): 8012023

約数列:

[1, 5, 11, 13, 55, 65, 83, 143, 313, 415, 715, 913, 1079, 1565, 3443, 4069, 4565, 5395, 11869, 17215, 20345, 25979, 44759, 59345, 129895, 223795, 285769, 337727, 1428845, 1688635, 3714997, 18574985]

約数ペア:

[(1, 18574985), (5, 3714997), (11, 1688635), (13, 1428845), (55, 337727), (65, 285769), (83, 223795), (143, 129895), (313, 59345), (415, 44759), (715, 25979), (913, 20345), (1079, 17215), (1565, 11869), (3443, 5395), (4069, 4565)]