19668609

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 11660031

約数列:

[1, 3, 9, 17, 27, 51, 73, 153, 219, 459, 587, 657, 1241, 1761, 1971, 3723, 5283, 9979, 11169, 15849, 29937, 33507, 42851, 89811, 128553, 269433, 385659, 728467, 1156977, 2185401, 6556203, 19668609]

約数ペア:

[(1, 19668609), (3, 6556203), (9, 2185401), (17, 1156977), (27, 728467), (51, 385659), (73, 269433), (153, 128553), (219, 89811), (459, 42851), (587, 33507), (657, 29937), (1241, 15849), (1761, 11169), (1971, 9979), (3723, 5283)]