19486412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4139}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 37558080

約数和(自身を除く): 18071668

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4139, 4708, 8278, 16556, 45529, 91058, 182116, 442873, 885746, 1771492, 4871603, 9743206, 19486412]

約数ペア:

[(1, 19486412), (2, 9743206), (4, 4871603), (11, 1771492), (22, 885746), (44, 442873), (107, 182116), (214, 91058), (428, 45529), (1177, 16556), (2354, 8278), (4139, 4708)]