17795590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 33948000

約数和(自身を除く): 16152410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 409, 458, 818, 1145, 2045, 2290, 4090, 4351, 7771, 8702, 15542, 21755, 38855, 43510, 77710, 93661, 187322, 468305, 936610, 1779559, 3559118, 8897795, 17795590]

約数ペア:

[(1, 17795590), (2, 8897795), (5, 3559118), (10, 1779559), (19, 936610), (38, 468305), (95, 187322), (190, 93661), (229, 77710), (409, 43510), (458, 38855), (818, 21755), (1145, 15542), (2045, 8702), (2290, 7771), (4090, 4351)]