19713956

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 35137536

約数和(自身を除く): 15423580

約数列:

[1, 2, 4, 127, 151, 254, 257, 302, 508, 514, 604, 1028, 19177, 32639, 38354, 38807, 65278, 76708, 77614, 130556, 155228, 4928489, 9856978, 19713956]

約数ペア:

[(1, 19713956), (2, 9856978), (4, 4928489), (127, 155228), (151, 130556), (254, 77614), (257, 76708), (302, 65278), (508, 38807), (514, 38354), (604, 32639), (1028, 19177)]