15928978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19763}}^1$

素因数の和:19809

約数の個数: 16

約数和(自身を含む): 26562816

約数和(自身を除く): 10633838

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 19763, 39526, 256919, 513838, 612653, 1225306, 7964489, 15928978]

約数ペア:

[(1, 15928978), (2, 7964489), (13, 1225306), (26, 612653), (31, 513838), (62, 256919), (403, 39526), (806, 19763)]