19564281

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3506

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 13728519

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3467, 5643, 10401, 31203, 38137, 65873, 93609, 114411, 197619, 343233, 592857, 724603, 1029699, 1778571, 2173809, 6521427, 19564281]

約数ペア:

[(1, 19564281), (3, 6521427), (9, 2173809), (11, 1778571), (19, 1029699), (27, 724603), (33, 592857), (57, 343233), (99, 197619), (171, 114411), (209, 93609), (297, 65873), (513, 38137), (627, 31203), (1881, 10401), (3467, 5643)]