19916868

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4139}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 46599840

約数和(自身を除く): 26682972

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4139, 4812, 8278, 12417, 16556, 24834, 49668, 1659739, 3319478, 4979217, 6638956, 9958434, 19916868]

約数ペア:

[(1, 19916868), (2, 9958434), (3, 6638956), (4, 4979217), (6, 3319478), (12, 1659739), (401, 49668), (802, 24834), (1203, 16556), (1604, 12417), (2406, 8278), (4139, 4812)]