18802215

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1361}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 32720688

約数和(自身を除く): 13918473

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1361, 1535, 2763, 4083, 4605, 6805, 12249, 13815, 20415, 61245, 417827, 1253481, 2089135, 3760443, 6267405, 18802215]

約数ペア:

[(1, 18802215), (3, 6267405), (5, 3760443), (9, 2089135), (15, 1253481), (45, 417827), (307, 61245), (921, 20415), (1361, 13815), (1535, 12249), (2763, 6805), (4083, 4605)]