19964126

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2616

約数の個数: 32

約数和(自身を含む): 37728768

約数和(自身を除く): 17764642

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2551, 3913, 5102, 7826, 17857, 33163, 35714, 66326, 109693, 219386, 232141, 464282, 767851, 1426009, 1535702, 2852018, 9982063, 19964126]

約数ペア:

[(1, 19964126), (2, 9982063), (7, 2852018), (13, 1535702), (14, 1426009), (26, 767851), (43, 464282), (86, 232141), (91, 219386), (182, 109693), (301, 66326), (559, 35714), (602, 33163), (1118, 17857), (2551, 7826), (3913, 5102)]