18933019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 23025600

約数和(自身を除く): 4092581

約数列:

[1, 7, 17, 119, 389, 409, 2723, 2863, 6613, 6953, 46291, 48671, 159101, 1113707, 2704717, 18933019]

約数ペア:

[(1, 18933019), (7, 2704717), (17, 1113707), (119, 159101), (389, 48671), (409, 46291), (2723, 6953), (2863, 6613)]