17964828

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{89}}^2$

素因数の和:201

約数の個数: 90

約数和(自身を含む): 54282536

約数和(自身を除く): 36317708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 108, 126, 162, 178, 189, 252, 267, 324, 356, 378, 534, 567, 623, 756, 801, 1068, 1134, 1246, 1602, 1869, 2268, 2403, 2492, 3204, 3738, 4806, 5607, 7209, 7476, 7921, 9612, 11214, 14418, 15842, 16821, 22428, 23763, 28836, 31684, 33642, 47526, 50463, 55447, 67284, 71289, 95052, 100926, 110894, 142578, 166341, 201852, 213867, 221788, 285156, 332682, 427734, 499023, 641601, 665364, 855468, 998046, 1283202, 1497069, 1996092, 2566404, 2994138, 4491207, 5988276, 8982414, 17964828]

約数ペア:

[(1, 17964828), (2, 8982414), (3, 5988276), (4, 4491207), (6, 2994138), (7, 2566404), (9, 1996092), (12, 1497069), (14, 1283202), (18, 998046), (21, 855468), (27, 665364), (28, 641601), (36, 499023), (42, 427734), (54, 332682), (63, 285156), (81, 221788), (84, 213867), (89, 201852), (108, 166341), (126, 142578), (162, 110894), (178, 100926), (189, 95052), (252, 71289), (267, 67284), (324, 55447), (356, 50463), (378, 47526), (534, 33642), (567, 31684), (623, 28836), (756, 23763), (801, 22428), (1068, 16821), (1134, 15842), (1246, 14418), (1602, 11214), (1869, 9612), (2268, 7921), (2403, 7476), (2492, 7209), (3204, 5607), (3738, 4806)]