19979268

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{3271}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 46724160

約数和(自身を除く): 26744892

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 3271, 6108, 6542, 9813, 13084, 19626, 39252, 1664939, 3329878, 4994817, 6659756, 9989634, 19979268]

約数ペア:

[(1, 19979268), (2, 9989634), (3, 6659756), (4, 4994817), (6, 3329878), (12, 1664939), (509, 39252), (1018, 19626), (1527, 13084), (2036, 9813), (3054, 6542), (3271, 6108)]