19744450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{35899}}^1$

素因数の和:35922

約数の個数: 24

約数和(自身を含む): 40064400

約数和(自身を除く): 20319950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 35899, 71798, 179495, 358990, 394889, 789778, 897475, 1794950, 1974445, 3948890, 9872225, 19744450]

約数ペア:

[(1, 19744450), (2, 9872225), (5, 3948890), (10, 1974445), (11, 1794950), (22, 897475), (25, 789778), (50, 394889), (55, 358990), (110, 179495), (275, 71798), (550, 35899)]