2005355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 2798064

約数和(自身を除く): 792709

約数列:

[1, 5, 11, 19, 55, 95, 101, 209, 361, 505, 1045, 1111, 1805, 1919, 3971, 5555, 9595, 19855, 21109, 36461, 105545, 182305, 401071, 2005355]

約数ペア:

[(1, 2005355), (5, 401071), (11, 182305), (19, 105545), (55, 36461), (95, 21109), (101, 19855), (209, 9595), (361, 5555), (505, 3971), (1045, 1919), (1111, 1805)]