19155578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13901}}^1$

素因数の和:13969

約数の個数: 16

約数和(自身を含む): 31529736

約数和(自身を除く): 12374158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13901, 27802, 180713, 361426, 736753, 1473506, 9577789, 19155578]

約数ペア:

[(1, 19155578), (2, 9577789), (13, 1473506), (26, 736753), (53, 361426), (106, 180713), (689, 27802), (1378, 13901)]