19944568

素因数分解:

$2^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44097480

約数和(自身を除く): 24152912

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 83, 98, 166, 196, 332, 392, 581, 613, 664, 1162, 1226, 2324, 2452, 4067, 4291, 4648, 4904, 8134, 8582, 16268, 17164, 30037, 32536, 34328, 50879, 60074, 101758, 120148, 203516, 240296, 356153, 407032, 712306, 1424612, 2493071, 2849224, 4986142, 9972284, 19944568]

約数ペア:

[(1, 19944568), (2, 9972284), (4, 4986142), (7, 2849224), (8, 2493071), (14, 1424612), (28, 712306), (49, 407032), (56, 356153), (83, 240296), (98, 203516), (166, 120148), (196, 101758), (332, 60074), (392, 50879), (581, 34328), (613, 32536), (664, 30037), (1162, 17164), (1226, 16268), (2324, 8582), (2452, 8134), (4067, 4904), (4291, 4648)]