18609680

素因数分解:

$2^4\times 5^1\times {\mathrm{232621}}^1$

素因数の和:232634

約数の個数: 20

約数和(自身を含む): 43267692

約数和(自身を除く): 24658012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232621, 465242, 930484, 1163105, 1860968, 2326210, 3721936, 4652420, 9304840, 18609680]

約数ペア:

[(1, 18609680), (2, 9304840), (4, 4652420), (5, 3721936), (8, 2326210), (10, 1860968), (16, 1163105), (20, 930484), (40, 465242), (80, 232621)]