18281872

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 43425792

約数和(自身を除く): 25143920

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 151, 161, 184, 188, 302, 322, 329, 368, 376, 604, 644, 658, 752, 1057, 1081, 1208, 1288, 1316, 2114, 2162, 2416, 2576, 2632, 3473, 4228, 4324, 5264, 6946, 7097, 7567, 8456, 8648, 13892, 14194, 15134, 16912, 17296, 24311, 27784, 28388, 30268, 48622, 49679, 55568, 56776, 60536, 97244, 99358, 113552, 121072, 163231, 194488, 198716, 326462, 388976, 397432, 652924, 794864, 1142617, 1305848, 2285234, 2611696, 4570468, 9140936, 18281872]

約数ペア:

[(1, 18281872), (2, 9140936), (4, 4570468), (7, 2611696), (8, 2285234), (14, 1305848), (16, 1142617), (23, 794864), (28, 652924), (46, 397432), (47, 388976), (56, 326462), (92, 198716), (94, 194488), (112, 163231), (151, 121072), (161, 113552), (184, 99358), (188, 97244), (302, 60536), (322, 56776), (329, 55568), (368, 49679), (376, 48622), (604, 30268), (644, 28388), (658, 27784), (752, 24311), (1057, 17296), (1081, 16912), (1208, 15134), (1288, 14194), (1316, 13892), (2114, 8648), (2162, 8456), (2416, 7567), (2576, 7097), (2632, 6946), (3473, 5264), (4228, 4324)]