19925115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27109}}^1$

素因数の和:27131

約数の個数: 24

約数和(自身を含む): 37086480

約数和(自身を除く): 17161365

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27109, 81327, 135545, 189763, 406635, 569289, 948815, 1328341, 2846445, 3985023, 6641705, 19925115]

約数ペア:

[(1, 19925115), (3, 6641705), (5, 3985023), (7, 2846445), (15, 1328341), (21, 948815), (35, 569289), (49, 406635), (105, 189763), (147, 135545), (245, 81327), (735, 27109)]