18876065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1949}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 24570000

約数和(自身を除く): 5693935

約数列:

[1, 5, 13, 65, 149, 745, 1937, 1949, 9685, 9745, 25337, 126685, 290401, 1452005, 3775213, 18876065]

約数ペア:

[(1, 18876065), (5, 3775213), (13, 1452005), (65, 290401), (149, 126685), (745, 25337), (1937, 9745), (1949, 9685)]