19988896

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{7907}}^1$

素因数の和:7996

約数の個数: 24

約数和(自身を含む): 39856320

約数和(自身を除く): 19867424

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 7907, 15814, 31628, 63256, 126512, 253024, 624653, 1249306, 2498612, 4997224, 9994448, 19988896]

約数ペア:

[(1, 19988896), (2, 9994448), (4, 4997224), (8, 2498612), (16, 1249306), (32, 624653), (79, 253024), (158, 126512), (316, 63256), (632, 31628), (1264, 15814), (2528, 7907)]