19907428

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 35497280

約数和(自身を除く): 15589852

約数列:

[1, 2, 4, 103, 206, 211, 229, 412, 422, 458, 844, 916, 21733, 23587, 43466, 47174, 48319, 86932, 94348, 96638, 193276, 4976857, 9953714, 19907428]

約数ペア:

[(1, 19907428), (2, 9953714), (4, 4976857), (103, 193276), (206, 96638), (211, 94348), (229, 86932), (412, 48319), (422, 47174), (458, 43466), (844, 23587), (916, 21733)]