19924696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 21035384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 881, 1028, 1762, 2056, 2827, 3524, 5654, 7048, 9691, 11308, 19382, 22616, 38764, 77528, 226417, 452834, 905668, 1811336, 2490587, 4981174, 9962348, 19924696]

約数ペア:

[(1, 19924696), (2, 9962348), (4, 4981174), (8, 2490587), (11, 1811336), (22, 905668), (44, 452834), (88, 226417), (257, 77528), (514, 38764), (881, 22616), (1028, 19382), (1762, 11308), (2056, 9691), (2827, 7048), (3524, 5654)]