19888064

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 45646848

約数和(自身を除く): 25758784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 412, 431, 448, 721, 824, 862, 1442, 1648, 1724, 2884, 3017, 3296, 3448, 5768, 6034, 6592, 6896, 11536, 12068, 13792, 23072, 24136, 27584, 44393, 46144, 48272, 88786, 96544, 177572, 193088, 310751, 355144, 621502, 710288, 1243004, 1420576, 2486008, 2841152, 4972016, 9944032, 19888064]

約数ペア:

[(1, 19888064), (2, 9944032), (4, 4972016), (7, 2841152), (8, 2486008), (14, 1420576), (16, 1243004), (28, 710288), (32, 621502), (56, 355144), (64, 310751), (103, 193088), (112, 177572), (206, 96544), (224, 88786), (412, 48272), (431, 46144), (448, 44393), (721, 27584), (824, 24136), (862, 23072), (1442, 13792), (1648, 12068), (1724, 11536), (2884, 6896), (3017, 6592), (3296, 6034), (3448, 5768)]