19946565

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9431}}^1$

素因数の和:9489

約数の個数: 24

約数和(自身を含む): 35313408

約数和(自身を除く): 15366843

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9431, 28293, 47155, 84879, 141465, 424395, 443257, 1329771, 2216285, 3989313, 6648855, 19946565]

約数ペア:

[(1, 19946565), (3, 6648855), (5, 3989313), (9, 2216285), (15, 1329771), (45, 443257), (47, 424395), (141, 141465), (235, 84879), (423, 47155), (705, 28293), (2115, 9431)]