18823964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{276823}}^1$

素因数の和:276844

約数の個数: 12

約数和(自身を含む): 34879824

約数和(自身を除く): 16055860

約数列:

[1, 2, 4, 17, 34, 68, 276823, 553646, 1107292, 4705991, 9411982, 18823964]

約数ペア:

[(1, 18823964), (2, 9411982), (4, 4705991), (17, 1107292), (34, 553646), (68, 276823)]