19684112

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1167

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 24188080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 971, 1267, 1448, 1942, 2534, 2896, 3884, 5068, 6797, 7768, 10136, 13594, 15536, 20272, 27188, 54376, 108752, 175751, 351502, 703004, 1230257, 1406008, 2460514, 2812016, 4921028, 9842056, 19684112]

約数ペア:

[(1, 19684112), (2, 9842056), (4, 4921028), (7, 2812016), (8, 2460514), (14, 1406008), (16, 1230257), (28, 703004), (56, 351502), (112, 175751), (181, 108752), (362, 54376), (724, 27188), (971, 20272), (1267, 15536), (1448, 13594), (1942, 10136), (2534, 7768), (2896, 6797), (3884, 5068)]