19509633008

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8772317}}^1$

素因数の和:8772464

約数の個数: 20

約数和(自身を含む): 38071860120

約数和(自身を除く): 18562227112

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8772317, 17544634, 35089268, 70178536, 140357072, 1219352063, 2438704126, 4877408252, 9754816504, 19509633008]

約数ペア:

[(1, 19509633008), (2, 9754816504), (4, 4877408252), (8, 2438704126), (16, 1219352063), (139, 140357072), (278, 70178536), (556, 35089268), (1112, 17544634), (2224, 8772317)]