19936336

素因数分解:

$2^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 60

約数和(自身を含む): 45800640

約数和(自身を除く): 25864304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 98, 112, 118, 196, 236, 392, 413, 431, 472, 784, 826, 862, 944, 1652, 1724, 2891, 3017, 3304, 3448, 5782, 6034, 6608, 6896, 11564, 12068, 21119, 23128, 24136, 25429, 42238, 46256, 48272, 50858, 84476, 101716, 168952, 178003, 203432, 337904, 356006, 406864, 712012, 1246021, 1424024, 2492042, 2848048, 4984084, 9968168, 19936336]

約数ペア:

[(1, 19936336), (2, 9968168), (4, 4984084), (7, 2848048), (8, 2492042), (14, 1424024), (16, 1246021), (28, 712012), (49, 406864), (56, 356006), (59, 337904), (98, 203432), (112, 178003), (118, 168952), (196, 101716), (236, 84476), (392, 50858), (413, 48272), (431, 46256), (472, 42238), (784, 25429), (826, 24136), (862, 23128), (944, 21119), (1652, 12068), (1724, 11564), (2891, 6896), (3017, 6608), (3304, 6034), (3448, 5782)]