19995946

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 32332608

約数和(自身を除く): 12336662

約数列:

[1, 2, 41, 43, 53, 82, 86, 106, 107, 214, 1763, 2173, 2279, 3526, 4346, 4387, 4558, 4601, 5671, 8774, 9202, 11342, 93439, 186878, 188641, 232511, 243853, 377282, 465022, 487706, 9997973, 19995946]

約数ペア:

[(1, 19995946), (2, 9997973), (41, 487706), (43, 465022), (53, 377282), (82, 243853), (86, 232511), (106, 188641), (107, 186878), (214, 93439), (1763, 11342), (2173, 9202), (2279, 8774), (3526, 5671), (4346, 4601), (4387, 4558)]