18389968135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{829}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 27797483520

約数和(自身を除く): 9407515385

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 367, 385, 785, 829, 1099, 1727, 1835, 2569, 4037, 4145, 5495, 5803, 8635, 9119, 12089, 12845, 20185, 28259, 29015, 45595, 57619, 60445, 63833, 130153, 141295, 288095, 304243, 319165, 403333, 633809, 650765, 911071, 1431683, 1521215, 2016665, 2129701, 3169045, 3346673, 4436663, 4555355, 7158415, 10021781, 10648505, 16733365, 22183315, 23426711, 47766151, 50108905, 117133555, 238830755, 334363057, 525427661, 1671815285, 2627138305, 3677993627, 18389968135]

約数ペア:

[(1, 18389968135), (5, 3677993627), (7, 2627138305), (11, 1671815285), (35, 525427661), (55, 334363057), (77, 238830755), (157, 117133555), (367, 50108905), (385, 47766151), (785, 23426711), (829, 22183315), (1099, 16733365), (1727, 10648505), (1835, 10021781), (2569, 7158415), (4037, 4555355), (4145, 4436663), (5495, 3346673), (5803, 3169045), (8635, 2129701), (9119, 2016665), (12089, 1521215), (12845, 1431683), (20185, 911071), (28259, 650765), (29015, 633809), (45595, 403333), (57619, 319165), (60445, 304243), (63833, 288095), (130153, 141295)]