19949598

素因数分解:

$2^1\times 3^3\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 24529122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 571, 647, 1142, 1294, 1713, 1941, 3426, 3882, 5139, 5823, 10278, 11646, 15417, 17469, 30834, 34938, 369437, 738874, 1108311, 2216622, 3324933, 6649866, 9974799, 19949598]

約数ペア:

[(1, 19949598), (2, 9974799), (3, 6649866), (6, 3324933), (9, 2216622), (18, 1108311), (27, 738874), (54, 369437), (571, 34938), (647, 30834), (1142, 17469), (1294, 15417), (1713, 11646), (1941, 10278), (3426, 5823), (3882, 5139)]