18854812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109621}}^1$

素因数の和:109668

約数の個数: 12

約数和(自身を含む): 33763576

約数和(自身を除く): 14908764

約数列:

[1, 2, 4, 43, 86, 172, 109621, 219242, 438484, 4713703, 9427406, 18854812]

約数ペア:

[(1, 18854812), (2, 9427406), (4, 4713703), (43, 438484), (86, 219242), (172, 109621)]