19370259

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 30818880

約数和(自身を除く): 11448621

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 521, 729, 1377, 1563, 2187, 4131, 4689, 8857, 12393, 14067, 26571, 37179, 42201, 79713, 126603, 239139, 379809, 717417, 1139427, 2152251, 6456753, 19370259]

約数ペア:

[(1, 19370259), (3, 6456753), (9, 2152251), (17, 1139427), (27, 717417), (51, 379809), (81, 239139), (153, 126603), (243, 79713), (459, 42201), (521, 37179), (729, 26571), (1377, 14067), (1563, 12393), (2187, 8857), (4131, 4689)]