18917055

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3209}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 33050160

約数和(自身を除く): 14133105

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3209, 5895, 9627, 16045, 28881, 48135, 144405, 420379, 1261137, 2101895, 3783411, 6305685, 18917055]

約数ペア:

[(1, 18917055), (3, 6305685), (5, 3783411), (9, 2101895), (15, 1261137), (45, 420379), (131, 144405), (393, 48135), (655, 28881), (1179, 16045), (1965, 9627), (3209, 5895)]