19737224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1097}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 40120920

約数和(自身を除く): 20383696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1097, 1384, 2194, 2249, 4388, 4498, 8776, 8996, 14261, 17992, 28522, 57044, 114088, 189781, 379562, 759124, 1518248, 2467153, 4934306, 9868612, 19737224]

約数ペア:

[(1, 19737224), (2, 9868612), (4, 4934306), (8, 2467153), (13, 1518248), (26, 759124), (52, 379562), (104, 189781), (173, 114088), (346, 57044), (692, 28522), (1097, 17992), (1384, 14261), (2194, 8996), (2249, 8776), (4388, 4498)]