19430558

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 36566640

約数和(自身を除く): 17136082

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 107, 109, 119, 214, 218, 238, 749, 763, 833, 1498, 1526, 1666, 1819, 1853, 3638, 3706, 5243, 5341, 10486, 10682, 11663, 12733, 12971, 23326, 25466, 25942, 81641, 89131, 90797, 163282, 178262, 181594, 198271, 396542, 571487, 1142974, 1387897, 2775794, 9715279, 19430558]

約数ペア:

[(1, 19430558), (2, 9715279), (7, 2775794), (14, 1387897), (17, 1142974), (34, 571487), (49, 396542), (98, 198271), (107, 181594), (109, 178262), (119, 163282), (214, 90797), (218, 89131), (238, 81641), (749, 25942), (763, 25466), (833, 23326), (1498, 12971), (1526, 12733), (1666, 11663), (1819, 10682), (1853, 10486), (3638, 5341), (3706, 5243)]