19659664

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1375

約数の個数: 40

約数和(自身を含む): 40747392

約数和(自身を除く): 21087728

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1303, 1886, 2606, 3772, 5212, 7544, 10424, 15088, 20848, 29969, 53423, 59938, 106846, 119876, 213692, 239752, 427384, 479504, 854768, 1228729, 2457458, 4914916, 9829832, 19659664]

約数ペア:

[(1, 19659664), (2, 9829832), (4, 4914916), (8, 2457458), (16, 1228729), (23, 854768), (41, 479504), (46, 427384), (82, 239752), (92, 213692), (164, 119876), (184, 106846), (328, 59938), (368, 53423), (656, 29969), (943, 20848), (1303, 15088), (1886, 10424), (2606, 7544), (3772, 5212)]