19976802

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 22661598

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1409, 2363, 2818, 4227, 4726, 7089, 8454, 14178, 23953, 47906, 71859, 143718, 195851, 391702, 587553, 1175106, 3329467, 6658934, 9988401, 19976802]

約数ペア:

[(1, 19976802), (2, 9988401), (3, 6658934), (6, 3329467), (17, 1175106), (34, 587553), (51, 391702), (102, 195851), (139, 143718), (278, 71859), (417, 47906), (834, 23953), (1409, 14178), (2363, 8454), (2818, 7089), (4227, 4726)]