17942938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 30618000

約数和(自身を除く): 12675062

約数列:

[1, 2, 13, 26, 29, 53, 58, 106, 377, 449, 689, 754, 898, 1378, 1537, 3074, 5837, 11674, 13021, 19981, 23797, 26042, 39962, 47594, 169273, 309361, 338546, 618722, 690113, 1380226, 8971469, 17942938]

約数ペア:

[(1, 17942938), (2, 8971469), (13, 1380226), (26, 690113), (29, 618722), (53, 338546), (58, 309361), (106, 169273), (377, 47594), (449, 39962), (689, 26042), (754, 23797), (898, 19981), (1378, 13021), (1537, 11674), (3074, 5837)]