2018012825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^2\times {\mathrm{193}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 2602414164

約数和(自身を除く): 584401339

約数列:

[1, 5, 25, 41, 101, 193, 205, 505, 965, 1025, 2525, 4141, 4825, 7913, 10201, 19493, 20705, 39565, 51005, 97465, 103525, 197825, 255025, 418241, 487325, 799213, 1968793, 2091205, 3996065, 9843965, 10456025, 19980325, 49219825, 80720513, 403602565, 2018012825]

約数ペア:

[(1, 2018012825), (5, 403602565), (25, 80720513), (41, 49219825), (101, 19980325), (193, 10456025), (205, 9843965), (505, 3996065), (965, 2091205), (1025, 1968793), (2525, 799213), (4141, 487325), (4825, 418241), (7913, 255025), (10201, 197825), (19493, 103525), (20705, 97465), (39565, 51005)]