19925972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 36

約数和(自身を含む): 40435584

約数和(自身を除く): 20509612

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1567, 3134, 3179, 6268, 6358, 12716, 17237, 26639, 34474, 53278, 68948, 106556, 293029, 452863, 586058, 905726, 1172116, 1811452, 4981493, 9962986, 19925972]

約数ペア:

[(1, 19925972), (2, 9962986), (4, 4981493), (11, 1811452), (17, 1172116), (22, 905726), (34, 586058), (44, 452863), (68, 293029), (187, 106556), (289, 68948), (374, 53278), (578, 34474), (748, 26639), (1156, 17237), (1567, 12716), (3134, 6358), (3179, 6268)]