31220990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{164321}}^1$

素因数の和:164347

約数の個数: 16

約数和(自身を含む): 59155920

約数和(自身を除く): 27934930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 164321, 328642, 821605, 1643210, 3122099, 6244198, 15610495, 31220990]

約数ペア:

[(1, 31220990), (2, 15610495), (5, 6244198), (10, 3122099), (19, 1643210), (38, 821605), (95, 328642), (190, 164321)]