19620656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 44782848

約数和(自身を除く): 25162192

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 37, 44, 46, 74, 88, 92, 131, 148, 176, 184, 253, 262, 296, 368, 407, 506, 524, 592, 814, 851, 1012, 1048, 1441, 1628, 1702, 2024, 2096, 2882, 3013, 3256, 3404, 4048, 4847, 5764, 6026, 6512, 6808, 9361, 9694, 11528, 12052, 13616, 18722, 19388, 23056, 24104, 33143, 37444, 38776, 48208, 53317, 66286, 74888, 77552, 106634, 111481, 132572, 149776, 213268, 222962, 265144, 426536, 445924, 530288, 853072, 891848, 1226291, 1783696, 2452582, 4905164, 9810328, 19620656]

約数ペア:

[(1, 19620656), (2, 9810328), (4, 4905164), (8, 2452582), (11, 1783696), (16, 1226291), (22, 891848), (23, 853072), (37, 530288), (44, 445924), (46, 426536), (74, 265144), (88, 222962), (92, 213268), (131, 149776), (148, 132572), (176, 111481), (184, 106634), (253, 77552), (262, 74888), (296, 66286), (368, 53317), (407, 48208), (506, 38776), (524, 37444), (592, 33143), (814, 24104), (851, 23056), (1012, 19388), (1048, 18722), (1441, 13616), (1628, 12052), (1702, 11528), (2024, 9694), (2096, 9361), (2882, 6808), (3013, 6512), (3256, 6026), (3404, 5764), (4048, 4847)]