19458966

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 42142464

約数和(自身を除く): 22683498

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 103, 111, 138, 206, 222, 309, 618, 851, 1369, 1702, 2369, 2553, 2738, 3811, 4107, 4738, 5106, 7107, 7622, 8214, 11433, 14214, 22866, 31487, 62974, 87653, 94461, 141007, 175306, 188922, 262959, 282014, 423021, 525918, 846042, 3243161, 6486322, 9729483, 19458966]

約数ペア:

[(1, 19458966), (2, 9729483), (3, 6486322), (6, 3243161), (23, 846042), (37, 525918), (46, 423021), (69, 282014), (74, 262959), (103, 188922), (111, 175306), (138, 141007), (206, 94461), (222, 87653), (309, 62974), (618, 31487), (851, 22866), (1369, 14214), (1702, 11433), (2369, 8214), (2553, 7622), (2738, 7107), (3811, 5106), (4107, 4738)]