19985654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1279}}^1$

素因数の和:1895

約数の個数: 16

約数和(自身を含む): 32363520

約数和(自身を除く): 12377866

約数列:

[1, 2, 13, 26, 601, 1202, 1279, 2558, 7813, 15626, 16627, 33254, 768679, 1537358, 9992827, 19985654]

約数ペア:

[(1, 19985654), (2, 9992827), (13, 1537358), (26, 768679), (601, 33254), (1202, 16627), (1279, 15626), (2558, 7813)]