18997165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7349}}^1$

素因数の和:7412

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 6404435

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7349, 36745, 80839, 345403, 404195, 1727015, 3799433, 18997165]

約数ペア:

[(1, 18997165), (5, 3799433), (11, 1727015), (47, 404195), (55, 345403), (235, 80839), (517, 36745), (2585, 7349)]