31391838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{4831}}^1$

素因数の和:4877

約数の個数: 36

約数和(自身を含む): 71798688

約数和(自身を除く): 40406850

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 4831, 6498, 9662, 14493, 28986, 43479, 86958, 91789, 183578, 275367, 550734, 826101, 1652202, 1743991, 3487982, 5231973, 10463946, 15695919, 31391838]

約数ペア:

[(1, 31391838), (2, 15695919), (3, 10463946), (6, 5231973), (9, 3487982), (18, 1743991), (19, 1652202), (38, 826101), (57, 550734), (114, 275367), (171, 183578), (342, 91789), (361, 86958), (722, 43479), (1083, 28986), (2166, 14493), (3249, 9662), (4831, 6498)]