18669396

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 45155264

約数和(自身を除く): 26485868

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 97, 129, 172, 194, 258, 291, 373, 388, 516, 582, 746, 1119, 1164, 1492, 2238, 4171, 4476, 8342, 12513, 16039, 16684, 25026, 32078, 36181, 48117, 50052, 64156, 72362, 96234, 108543, 144724, 192468, 217086, 434172, 1555783, 3111566, 4667349, 6223132, 9334698, 18669396]

約数ペア:

[(1, 18669396), (2, 9334698), (3, 6223132), (4, 4667349), (6, 3111566), (12, 1555783), (43, 434172), (86, 217086), (97, 192468), (129, 144724), (172, 108543), (194, 96234), (258, 72362), (291, 64156), (373, 50052), (388, 48117), (516, 36181), (582, 32078), (746, 25026), (1119, 16684), (1164, 16039), (1492, 12513), (2238, 8342), (4171, 4476)]