1818351395

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20873}}^1$

素因数の和:21035

約数の個数: 32

約数和(自身を含む): 2645153280

約数和(自身を除く): 826801885

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 655, 665, 917, 2489, 4585, 12445, 17423, 20873, 87115, 104365, 146111, 396587, 730555, 1982935, 2734363, 2776109, 13671815, 13880545, 19140541, 51952897, 95702705, 259764485, 363670279, 1818351395]

約数ペア:

[(1, 1818351395), (5, 363670279), (7, 259764485), (19, 95702705), (35, 51952897), (95, 19140541), (131, 13880545), (133, 13671815), (655, 2776109), (665, 2734363), (917, 1982935), (2489, 730555), (4585, 396587), (12445, 146111), (17423, 104365), (20873, 87115)]