18669688

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 36610560

約数和(自身を除く): 17940872

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 166, 248, 332, 664, 907, 1814, 2573, 3628, 5146, 7256, 10292, 20584, 28117, 56234, 75281, 112468, 150562, 224936, 301124, 602248, 2333711, 4667422, 9334844, 18669688]

約数ペア:

[(1, 18669688), (2, 9334844), (4, 4667422), (8, 2333711), (31, 602248), (62, 301124), (83, 224936), (124, 150562), (166, 112468), (248, 75281), (332, 56234), (664, 28117), (907, 20584), (1814, 10292), (2573, 7256), (3628, 5146)]