20130310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18425690

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1049, 1919, 2098, 3838, 5245, 9595, 10490, 19190, 19931, 39862, 99655, 105949, 199310, 211898, 529745, 1059490, 2013031, 4026062, 10065155, 20130310]

約数ペア:

[(1, 20130310), (2, 10065155), (5, 4026062), (10, 2013031), (19, 1059490), (38, 529745), (95, 211898), (101, 199310), (190, 105949), (202, 99655), (505, 39862), (1010, 19931), (1049, 19190), (1919, 10490), (2098, 9595), (3838, 5245)]