19797904

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3761}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 24984944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3761, 5264, 7522, 15044, 26327, 30088, 52654, 60176, 105308, 176767, 210616, 353534, 421232, 707068, 1237369, 1414136, 2474738, 2828272, 4949476, 9898952, 19797904]

約数ペア:

[(1, 19797904), (2, 9898952), (4, 4949476), (7, 2828272), (8, 2474738), (14, 1414136), (16, 1237369), (28, 707068), (47, 421232), (56, 353534), (94, 210616), (112, 176767), (188, 105308), (329, 60176), (376, 52654), (658, 30088), (752, 26327), (1316, 15044), (2632, 7522), (3761, 5264)]