19665856

素因数分解:

$2^6\times 7^2\times {\mathrm{6271}}^1$

素因数の和:6297

約数の個数: 42

約数和(自身を含む): 45403008

約数和(自身を除く): 25737152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6271, 12542, 25084, 43897, 50168, 87794, 100336, 175588, 200672, 307279, 351176, 401344, 614558, 702352, 1229116, 1404704, 2458232, 2809408, 4916464, 9832928, 19665856]

約数ペア:

[(1, 19665856), (2, 9832928), (4, 4916464), (7, 2809408), (8, 2458232), (14, 1404704), (16, 1229116), (28, 702352), (32, 614558), (49, 401344), (56, 351176), (64, 307279), (98, 200672), (112, 175588), (196, 100336), (224, 87794), (392, 50168), (448, 43897), (784, 25084), (1568, 12542), (3136, 6271)]