19737212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{739}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 37793280

約数和(自身を除く): 18056068

約数列:

[1, 2, 4, 11, 22, 44, 607, 739, 1214, 1478, 2428, 2956, 6677, 8129, 13354, 16258, 26708, 32516, 448573, 897146, 1794292, 4934303, 9868606, 19737212]

約数ペア:

[(1, 19737212), (2, 9868606), (4, 4934303), (11, 1794292), (22, 897146), (44, 448573), (607, 32516), (739, 26708), (1214, 16258), (1478, 13354), (2428, 8129), (2956, 6677)]