18214904

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{3541}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 34215720

約数和(自身を除く): 16000816

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 3541, 5144, 7082, 14164, 28328, 2276863, 4553726, 9107452, 18214904]

約数ペア:

[(1, 18214904), (2, 9107452), (4, 4553726), (8, 2276863), (643, 28328), (1286, 14164), (2572, 7082), (3541, 5144)]