18875538

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 28010862

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 739, 774, 946, 1161, 1419, 1478, 2217, 2322, 2838, 4257, 4434, 6651, 8129, 8514, 12771, 13302, 16258, 19953, 24387, 25542, 31777, 39906, 48774, 63554, 73161, 95331, 146322, 190662, 219483, 285993, 349547, 438966, 571986, 699094, 857979, 1048641, 1715958, 2097282, 3145923, 6291846, 9437769, 18875538]

約数ペア:

[(1, 18875538), (2, 9437769), (3, 6291846), (6, 3145923), (9, 2097282), (11, 1715958), (18, 1048641), (22, 857979), (27, 699094), (33, 571986), (43, 438966), (54, 349547), (66, 285993), (86, 219483), (99, 190662), (129, 146322), (198, 95331), (258, 73161), (297, 63554), (387, 48774), (473, 39906), (594, 31777), (739, 25542), (774, 24387), (946, 19953), (1161, 16258), (1419, 13302), (1478, 12771), (2217, 8514), (2322, 8129), (2838, 6651), (4257, 4434)]