18115398

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 51217920

約数和(自身を除く): 33102522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 38, 42, 46, 47, 49, 57, 63, 69, 94, 98, 114, 126, 133, 138, 141, 147, 161, 171, 207, 266, 282, 294, 322, 329, 342, 399, 414, 423, 437, 441, 483, 658, 798, 846, 874, 882, 893, 931, 966, 987, 1081, 1127, 1197, 1311, 1449, 1786, 1862, 1974, 2162, 2254, 2303, 2394, 2622, 2679, 2793, 2898, 2961, 3059, 3243, 3381, 3933, 4606, 5358, 5586, 5922, 6118, 6251, 6486, 6762, 6909, 7567, 7866, 8037, 8379, 9177, 9729, 10143, 12502, 13818, 15134, 16074, 16758, 18354, 18753, 19458, 20286, 20539, 20727, 21413, 22701, 27531, 37506, 41078, 41454, 42826, 43757, 45402, 52969, 55062, 56259, 61617, 64239, 68103, 87514, 105938, 112518, 123234, 128478, 131271, 136206, 143773, 158907, 184851, 192717, 262542, 287546, 317814, 369702, 385434, 393813, 431319, 476721, 787626, 862638, 953442, 1006411, 1293957, 2012822, 2587914, 3019233, 6038466, 9057699, 18115398]

約数ペア:

[(1, 18115398), (2, 9057699), (3, 6038466), (6, 3019233), (7, 2587914), (9, 2012822), (14, 1293957), (18, 1006411), (19, 953442), (21, 862638), (23, 787626), (38, 476721), (42, 431319), (46, 393813), (47, 385434), (49, 369702), (57, 317814), (63, 287546), (69, 262542), (94, 192717), (98, 184851), (114, 158907), (126, 143773), (133, 136206), (138, 131271), (141, 128478), (147, 123234), (161, 112518), (171, 105938), (207, 87514), (266, 68103), (282, 64239), (294, 61617), (322, 56259), (329, 55062), (342, 52969), (399, 45402), (414, 43757), (423, 42826), (437, 41454), (441, 41078), (483, 37506), (658, 27531), (798, 22701), (846, 21413), (874, 20727), (882, 20539), (893, 20286), (931, 19458), (966, 18753), (987, 18354), (1081, 16758), (1127, 16074), (1197, 15134), (1311, 13818), (1449, 12502), (1786, 10143), (1862, 9729), (1974, 9177), (2162, 8379), (2254, 8037), (2303, 7866), (2394, 7567), (2622, 6909), (2679, 6762), (2793, 6486), (2898, 6251), (2961, 6118), (3059, 5922), (3243, 5586), (3381, 5358), (3933, 4606)]