18823840

素因数分解:

$2^5\times 5^1\times 7^6$

素因数の和:57

約数の個数: 84

約数和(自身を含む): 51883146

約数和(自身を除く): 33059306

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2401, 2744, 3430, 3920, 4802, 5488, 6860, 7840, 9604, 10976, 12005, 13720, 16807, 19208, 24010, 27440, 33614, 38416, 48020, 54880, 67228, 76832, 84035, 96040, 117649, 134456, 168070, 192080, 235298, 268912, 336140, 384160, 470596, 537824, 588245, 672280, 941192, 1176490, 1344560, 1882384, 2352980, 2689120, 3764768, 4705960, 9411920, 18823840]

約数ペア:

[(1, 18823840), (2, 9411920), (4, 4705960), (5, 3764768), (7, 2689120), (8, 2352980), (10, 1882384), (14, 1344560), (16, 1176490), (20, 941192), (28, 672280), (32, 588245), (35, 537824), (40, 470596), (49, 384160), (56, 336140), (70, 268912), (80, 235298), (98, 192080), (112, 168070), (140, 134456), (160, 117649), (196, 96040), (224, 84035), (245, 76832), (280, 67228), (343, 54880), (392, 48020), (490, 38416), (560, 33614), (686, 27440), (784, 24010), (980, 19208), (1120, 16807), (1372, 13720), (1568, 12005), (1715, 10976), (1960, 9604), (2401, 7840), (2744, 6860), (3430, 5488), (3920, 4802)]