20131191790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9227}}^1\times {\mathrm{11483}}^1$

素因数の和:20736

約数の個数: 32

約数和(自身を含む): 38150766720

約数和(自身を除く): 18019574930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 9227, 11483, 18454, 22966, 46135, 57415, 92270, 114830, 175313, 218177, 350626, 436354, 876565, 1090885, 1753130, 2181770, 105953641, 211907282, 529768205, 1059536410, 2013119179, 4026238358, 10065595895, 20131191790]

約数ペア:

[(1, 20131191790), (2, 10065595895), (5, 4026238358), (10, 2013119179), (19, 1059536410), (38, 529768205), (95, 211907282), (190, 105953641), (9227, 2181770), (11483, 1753130), (18454, 1090885), (22966, 876565), (46135, 436354), (57415, 350626), (92270, 218177), (114830, 175313)]