19477238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28559}}^1$

素因数の和:28603

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 13423882

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28559, 57118, 314149, 628298, 885329, 1770658, 9738619, 19477238]

約数ペア:

[(1, 19477238), (2, 9738619), (11, 1770658), (22, 885329), (31, 628298), (62, 314149), (341, 57118), (682, 28559)]