17963932040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1\times {\mathrm{4463}}^1$

素因数の和:6662

約数の個数: 64

約数和(自身を含む): 41307356160

約数和(自身を除く): 23343424120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2141, 4282, 4463, 8564, 8926, 10705, 17128, 17852, 21410, 22315, 35704, 42820, 44630, 85640, 89260, 100627, 178520, 201254, 209761, 402508, 419522, 503135, 805016, 839044, 1006270, 1048805, 1678088, 2012540, 2097610, 4025080, 4195220, 8390440, 9555283, 19110566, 38221132, 47776415, 76442264, 95552830, 191105660, 382211320, 449098301, 898196602, 1796393204, 2245491505, 3592786408, 4490983010, 8981966020, 17963932040]

約数ペア:

[(1, 17963932040), (2, 8981966020), (4, 4490983010), (5, 3592786408), (8, 2245491505), (10, 1796393204), (20, 898196602), (40, 449098301), (47, 382211320), (94, 191105660), (188, 95552830), (235, 76442264), (376, 47776415), (470, 38221132), (940, 19110566), (1880, 9555283), (2141, 8390440), (4282, 4195220), (4463, 4025080), (8564, 2097610), (8926, 2012540), (10705, 1678088), (17128, 1048805), (17852, 1006270), (21410, 839044), (22315, 805016), (35704, 503135), (42820, 419522), (44630, 402508), (85640, 209761), (89260, 201254), (100627, 178520)]