18883495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4266

約数の個数: 16

約数和(自身を含む): 24203520

約数和(自身を除く): 5320025

約数列:

[1, 5, 29, 31, 145, 155, 899, 4201, 4495, 21005, 121829, 130231, 609145, 651155, 3776699, 18883495]

約数ペア:

[(1, 18883495), (5, 3776699), (29, 651155), (31, 609145), (145, 130231), (155, 121829), (899, 21005), (4201, 4495)]