19509633

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 35266560

約数和(自身を除く): 15756927

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 93, 99, 117, 143, 163, 279, 297, 341, 351, 403, 429, 489, 837, 1023, 1209, 1287, 1467, 1793, 2119, 3069, 3627, 3861, 4401, 4433, 5053, 5379, 6357, 9207, 10881, 13299, 15159, 16137, 19071, 23309, 39897, 45477, 48411, 55583, 57213, 65689, 69927, 119691, 136431, 166749, 197067, 209781, 500247, 591201, 629343, 722579, 1500741, 1773603, 2167737, 6503211, 19509633]

約数ペア:

[(1, 19509633), (3, 6503211), (9, 2167737), (11, 1773603), (13, 1500741), (27, 722579), (31, 629343), (33, 591201), (39, 500247), (93, 209781), (99, 197067), (117, 166749), (143, 136431), (163, 119691), (279, 69927), (297, 65689), (341, 57213), (351, 55583), (403, 48411), (429, 45477), (489, 39897), (837, 23309), (1023, 19071), (1209, 16137), (1287, 15159), (1467, 13299), (1793, 10881), (2119, 9207), (3069, 6357), (3627, 5379), (3861, 5053), (4401, 4433)]