18865704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39195096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 23, 24, 26, 33, 39, 44, 46, 52, 66, 69, 78, 88, 92, 104, 132, 138, 143, 156, 184, 239, 253, 264, 276, 286, 299, 312, 429, 478, 506, 552, 572, 598, 717, 759, 858, 897, 956, 1012, 1144, 1196, 1434, 1518, 1716, 1794, 1912, 2024, 2392, 2629, 2868, 3036, 3107, 3289, 3432, 3588, 5258, 5497, 5736, 6072, 6214, 6578, 7176, 7887, 9321, 9867, 10516, 10994, 12428, 13156, 15774, 16491, 18642, 19734, 21032, 21988, 24856, 26312, 31548, 32982, 34177, 37284, 39468, 43976, 60467, 63096, 65964, 68354, 71461, 74568, 78936, 102531, 120934, 131928, 136708, 142922, 181401, 205062, 214383, 241868, 273416, 285844, 362802, 410124, 428766, 483736, 571688, 725604, 786071, 820248, 857532, 1451208, 1572142, 1715064, 2358213, 3144284, 4716426, 6288568, 9432852, 18865704]

約数ペア:

[(1, 18865704), (2, 9432852), (3, 6288568), (4, 4716426), (6, 3144284), (8, 2358213), (11, 1715064), (12, 1572142), (13, 1451208), (22, 857532), (23, 820248), (24, 786071), (26, 725604), (33, 571688), (39, 483736), (44, 428766), (46, 410124), (52, 362802), (66, 285844), (69, 273416), (78, 241868), (88, 214383), (92, 205062), (104, 181401), (132, 142922), (138, 136708), (143, 131928), (156, 120934), (184, 102531), (239, 78936), (253, 74568), (264, 71461), (276, 68354), (286, 65964), (299, 63096), (312, 60467), (429, 43976), (478, 39468), (506, 37284), (552, 34177), (572, 32982), (598, 31548), (717, 26312), (759, 24856), (858, 21988), (897, 21032), (956, 19734), (1012, 18642), (1144, 16491), (1196, 15774), (1434, 13156), (1518, 12428), (1716, 10994), (1794, 10516), (1912, 9867), (2024, 9321), (2392, 7887), (2629, 7176), (2868, 6578), (3036, 6214), (3107, 6072), (3289, 5736), (3432, 5497), (3588, 5258)]