20180148235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{128663}}^1$

素因数の和:128827

約数の個数: 32

約数和(自身を含む): 27667906560

約数和(自身を除く): 7487758325

約数列:

[1, 5, 13, 19, 65, 95, 127, 247, 635, 1235, 1651, 2413, 8255, 12065, 31369, 128663, 156845, 643315, 1672619, 2444597, 8363095, 12222985, 16340201, 31779761, 81701005, 158898805, 212422613, 310463819, 1062113065, 1552319095, 4036029647, 20180148235]

約数ペア:

[(1, 20180148235), (5, 4036029647), (13, 1552319095), (19, 1062113065), (65, 310463819), (95, 212422613), (127, 158898805), (247, 81701005), (635, 31779761), (1235, 16340201), (1651, 12222985), (2413, 8363095), (8255, 2444597), (12065, 1672619), (31369, 643315), (128663, 156845)]