19957674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 24210006

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4259, 4686, 8518, 12777, 25554, 46849, 93698, 140547, 281094, 302389, 604778, 907167, 1814334, 3326279, 6652558, 9978837, 19957674]

約数ペア:

[(1, 19957674), (2, 9978837), (3, 6652558), (6, 3326279), (11, 1814334), (22, 907167), (33, 604778), (66, 302389), (71, 281094), (142, 140547), (213, 93698), (426, 46849), (781, 25554), (1562, 12777), (2343, 8518), (4259, 4686)]