19783179

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 30925440

約数和(自身を除く): 11142261

約数列:

[1, 3, 9, 13, 39, 117, 353, 479, 1059, 1437, 3177, 4311, 4589, 6227, 13767, 18681, 41301, 56043, 169087, 507261, 1521783, 2198131, 6594393, 19783179]

約数ペア:

[(1, 19783179), (3, 6594393), (9, 2198131), (13, 1521783), (39, 507261), (117, 169087), (353, 56043), (479, 41301), (1059, 18681), (1437, 13767), (3177, 6227), (4311, 4589)]