12918906

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 38707200

約数和(自身を除く): 25788294

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 189, 198, 231, 234, 239, 273, 286, 297, 351, 378, 429, 462, 478, 546, 594, 693, 702, 717, 819, 858, 1001, 1287, 1386, 1434, 1638, 1673, 2002, 2079, 2151, 2457, 2574, 2629, 3003, 3107, 3346, 3861, 4158, 4302, 4914, 5019, 5258, 6006, 6214, 6453, 7722, 7887, 9009, 9321, 10038, 12906, 15057, 15774, 18018, 18403, 18642, 21749, 23661, 27027, 27963, 30114, 34177, 36806, 43498, 45171, 47322, 54054, 55209, 55926, 65247, 68354, 70983, 83889, 90342, 102531, 110418, 130494, 141966, 165627, 167778, 195741, 205062, 239239, 307593, 331254, 391482, 478478, 496881, 587223, 615186, 717717, 922779, 993762, 1174446, 1435434, 1845558, 2153151, 4306302, 6459453, 12918906]

約数ペア:

[(1, 12918906), (2, 6459453), (3, 4306302), (6, 2153151), (7, 1845558), (9, 1435434), (11, 1174446), (13, 993762), (14, 922779), (18, 717717), (21, 615186), (22, 587223), (26, 496881), (27, 478478), (33, 391482), (39, 331254), (42, 307593), (54, 239239), (63, 205062), (66, 195741), (77, 167778), (78, 165627), (91, 141966), (99, 130494), (117, 110418), (126, 102531), (143, 90342), (154, 83889), (182, 70983), (189, 68354), (198, 65247), (231, 55926), (234, 55209), (239, 54054), (273, 47322), (286, 45171), (297, 43498), (351, 36806), (378, 34177), (429, 30114), (462, 27963), (478, 27027), (546, 23661), (594, 21749), (693, 18642), (702, 18403), (717, 18018), (819, 15774), (858, 15057), (1001, 12906), (1287, 10038), (1386, 9321), (1434, 9009), (1638, 7887), (1673, 7722), (2002, 6453), (2079, 6214), (2151, 6006), (2457, 5258), (2574, 5019), (2629, 4914), (3003, 4302), (3107, 4158), (3346, 3861)]