18604805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 5241595

約数列:

[1, 5, 29, 31, 145, 155, 899, 4139, 4495, 20695, 120031, 128309, 600155, 641545, 3720961, 18604805]

約数ペア:

[(1, 18604805), (5, 3720961), (29, 641545), (31, 600155), (145, 128309), (155, 120031), (899, 20695), (4139, 4495)]