18612765

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9619}}^1$

素因数の和:9673

約数の個数: 24

約数和(自身を含む): 33015840

約数和(自身を除く): 14403075

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9619, 28857, 48095, 86571, 144285, 413617, 432855, 1240851, 2068085, 3722553, 6204255, 18612765]

約数ペア:

[(1, 18612765), (3, 6204255), (5, 3722553), (9, 2068085), (15, 1240851), (43, 432855), (45, 413617), (129, 144285), (215, 86571), (387, 48095), (645, 28857), (1935, 9619)]