19723212

素因数分解:

$2^2\times 3^2\times {\mathrm{653}}^1\times {\mathrm{839}}^1$

素因数の和:1502

約数の個数: 36

約数和(自身を含む): 49991760

約数和(自身を除く): 30268548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 653, 839, 1306, 1678, 1959, 2517, 2612, 3356, 3918, 5034, 5877, 7551, 7836, 10068, 11754, 15102, 23508, 30204, 547867, 1095734, 1643601, 2191468, 3287202, 4930803, 6574404, 9861606, 19723212]

約数ペア:

[(1, 19723212), (2, 9861606), (3, 6574404), (4, 4930803), (6, 3287202), (9, 2191468), (12, 1643601), (18, 1095734), (36, 547867), (653, 30204), (839, 23508), (1306, 15102), (1678, 11754), (1959, 10068), (2517, 7836), (2612, 7551), (3356, 5877), (3918, 5034)]