19892031746

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 31446961560

約数和(自身を除く): 11554929814

約数列:

[1, 2, 41, 47, 82, 94, 193, 386, 569, 1138, 1927, 2209, 3854, 4418, 7913, 9071, 15826, 18142, 23329, 26743, 46658, 53486, 90569, 109817, 181138, 219634, 371911, 426337, 743822, 852674, 1096463, 1256921, 2192926, 2513842, 4502497, 5161399, 9004994, 10322798, 17479817, 34959634, 51533761, 103067522, 211617359, 242585753, 423234718, 485171506, 9946015873, 19892031746]

約数ペア:

[(1, 19892031746), (2, 9946015873), (41, 485171506), (47, 423234718), (82, 242585753), (94, 211617359), (193, 103067522), (386, 51533761), (569, 34959634), (1138, 17479817), (1927, 10322798), (2209, 9004994), (3854, 5161399), (4418, 4502497), (7913, 2513842), (9071, 2192926), (15826, 1256921), (18142, 1096463), (23329, 852674), (26743, 743822), (46658, 426337), (53486, 371911), (90569, 219634), (109817, 181138)]