19866377282

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1\times {\mathrm{11971}}^1$

素因数の和:12878

約数の個数: 32

約数和(自身を含む): 31858928640

約数和(自身を除く): 11992551358

約数列:

[1, 2, 23, 43, 46, 86, 839, 989, 1678, 1978, 11971, 19297, 23942, 36077, 38594, 72154, 275333, 514753, 550666, 829771, 1029506, 1659542, 10043669, 11839319, 20087338, 23678638, 231004387, 431877767, 462008774, 863755534, 9933188641, 19866377282]

約数ペア:

[(1, 19866377282), (2, 9933188641), (23, 863755534), (43, 462008774), (46, 431877767), (86, 231004387), (839, 23678638), (989, 20087338), (1678, 11839319), (1978, 10043669), (11971, 1659542), (19297, 1029506), (23942, 829771), (36077, 550666), (38594, 514753), (72154, 275333)]