20191631

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 22555584

約数和(自身を除く): 2363953

約数列:

[1, 17, 23, 113, 391, 457, 1921, 2599, 7769, 10511, 44183, 51641, 178687, 877897, 1187743, 20191631]

約数ペア:

[(1, 20191631), (17, 1187743), (23, 877897), (113, 178687), (391, 51641), (457, 44183), (1921, 10511), (2599, 7769)]