19221449

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 21380352

約数和(自身を除く): 2158903

約数列:

[1, 13, 47, 163, 193, 611, 2119, 2509, 7661, 9071, 31459, 99593, 117923, 408967, 1478573, 19221449]

約数ペア:

[(1, 19221449), (13, 1478573), (47, 408967), (163, 117923), (193, 99593), (611, 31459), (2119, 9071), (2509, 7661)]