19884414

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 24643986

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 121, 122, 183, 242, 363, 366, 449, 671, 726, 898, 1342, 1347, 2013, 2694, 4026, 4939, 7381, 9878, 14762, 14817, 22143, 27389, 29634, 44286, 54329, 54778, 82167, 108658, 162987, 164334, 301279, 325974, 602558, 903837, 1807674, 3314069, 6628138, 9942207, 19884414]

約数ペア:

[(1, 19884414), (2, 9942207), (3, 6628138), (6, 3314069), (11, 1807674), (22, 903837), (33, 602558), (61, 325974), (66, 301279), (121, 164334), (122, 162987), (183, 108658), (242, 82167), (363, 54778), (366, 54329), (449, 44286), (671, 29634), (726, 27389), (898, 22143), (1342, 14817), (1347, 14762), (2013, 9878), (2694, 7381), (4026, 4939)]