19849621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 22952448

約数和(自身を除く): 3102827

約数列:

[1, 11, 23, 67, 253, 737, 1171, 1541, 12881, 16951, 26933, 78457, 296263, 863027, 1804511, 19849621]

約数ペア:

[(1, 19849621), (11, 1804511), (23, 863027), (67, 296263), (253, 78457), (737, 26933), (1171, 16951), (1541, 12881)]