19787924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 37420320

約数和(自身を除く): 17632396

約数列:

[1, 2, 4, 13, 26, 52, 443, 859, 886, 1718, 1772, 3436, 5759, 11167, 11518, 22334, 23036, 44668, 380537, 761074, 1522148, 4946981, 9893962, 19787924]

約数ペア:

[(1, 19787924), (2, 9893962), (4, 4946981), (13, 1522148), (26, 761074), (52, 380537), (443, 44668), (859, 23036), (886, 22334), (1718, 11518), (1772, 11167), (3436, 5759)]