18724364

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{10861}}^1$

素因数の和:11296

約数の個数: 12

約数和(自身を含む): 32846688

約数和(自身を除く): 14122324

約数列:

[1, 2, 4, 431, 862, 1724, 10861, 21722, 43444, 4681091, 9362182, 18724364]

約数ペア:

[(1, 18724364), (2, 9362182), (4, 4681091), (431, 43444), (862, 21722), (1724, 10861)]