31639484

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21911}}^1$

素因数の和:21953

約数の個数: 18

約数和(自身を含む): 58439304

約数和(自身を除く): 26799820

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21911, 43822, 87644, 416309, 832618, 1665236, 7909871, 15819742, 31639484]

約数ペア:

[(1, 31639484), (2, 15819742), (4, 7909871), (19, 1665236), (38, 832618), (76, 416309), (361, 87644), (722, 43822), (1444, 21911)]