11821984

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1228

約数の個数: 24

約数和(自身を含む): 23351328

約数和(自身を除く): 11529344

約数列:

[1, 2, 4, 8, 16, 32, 571, 647, 1142, 1294, 2284, 2588, 4568, 5176, 9136, 10352, 18272, 20704, 369437, 738874, 1477748, 2955496, 5910992, 11821984]

約数ペア:

[(1, 11821984), (2, 5910992), (4, 2955496), (8, 1477748), (16, 738874), (32, 369437), (571, 20704), (647, 18272), (1142, 10352), (1294, 9136), (2284, 5176), (2588, 4568)]