18886728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 57470400

約数和(自身を除く): 38583672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 289, 357, 389, 408, 476, 578, 714, 778, 867, 952, 1156, 1167, 1428, 1556, 1734, 2023, 2312, 2334, 2723, 2856, 3112, 3468, 4046, 4668, 5446, 6069, 6613, 6936, 8092, 8169, 9336, 10892, 12138, 13226, 16184, 16338, 19839, 21784, 24276, 26452, 32676, 39678, 46291, 48552, 52904, 65352, 79356, 92582, 112421, 138873, 158712, 185164, 224842, 277746, 337263, 370328, 449684, 555492, 674526, 786947, 899368, 1110984, 1349052, 1573894, 2360841, 2698104, 3147788, 4721682, 6295576, 9443364, 18886728]

約数ペア:

[(1, 18886728), (2, 9443364), (3, 6295576), (4, 4721682), (6, 3147788), (7, 2698104), (8, 2360841), (12, 1573894), (14, 1349052), (17, 1110984), (21, 899368), (24, 786947), (28, 674526), (34, 555492), (42, 449684), (51, 370328), (56, 337263), (68, 277746), (84, 224842), (102, 185164), (119, 158712), (136, 138873), (168, 112421), (204, 92582), (238, 79356), (289, 65352), (357, 52904), (389, 48552), (408, 46291), (476, 39678), (578, 32676), (714, 26452), (778, 24276), (867, 21784), (952, 19839), (1156, 16338), (1167, 16184), (1428, 13226), (1556, 12138), (1734, 10892), (2023, 9336), (2312, 8169), (2334, 8092), (2723, 6936), (2856, 6613), (3112, 6069), (3468, 5446), (4046, 4668)]