19102864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 21519536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 311, 349, 622, 698, 1244, 1396, 2488, 2792, 3421, 3839, 4976, 5584, 6842, 7678, 13684, 15356, 27368, 30712, 54736, 61424, 108539, 217078, 434156, 868312, 1193929, 1736624, 2387858, 4775716, 9551432, 19102864]

約数ペア:

[(1, 19102864), (2, 9551432), (4, 4775716), (8, 2387858), (11, 1736624), (16, 1193929), (22, 868312), (44, 434156), (88, 217078), (176, 108539), (311, 61424), (349, 54736), (622, 30712), (698, 27368), (1244, 15356), (1396, 13684), (2488, 7678), (2792, 6842), (3421, 5584), (3839, 4976)]