19543664

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{827}}^1$

素因数の和:1053

約数の個数: 40

約数和(自身を含む): 43532928

約数和(自身を除く): 23989264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 827, 844, 1477, 1654, 1688, 2954, 3308, 3376, 5789, 5908, 6616, 11578, 11816, 13232, 23156, 23632, 46312, 92624, 174497, 348994, 697988, 1221479, 1395976, 2442958, 2791952, 4885916, 9771832, 19543664]

約数ペア:

[(1, 19543664), (2, 9771832), (4, 4885916), (7, 2791952), (8, 2442958), (14, 1395976), (16, 1221479), (28, 697988), (56, 348994), (112, 174497), (211, 92624), (422, 46312), (827, 23632), (844, 23156), (1477, 13232), (1654, 11816), (1688, 11578), (2954, 6616), (3308, 5908), (3376, 5789)]