16181919

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{10639}}^1$

素因数の和:10671

約数の個数: 18

約数和(自身を含む): 25312560

約数和(自身を除く): 9130641

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 10639, 31917, 95751, 138307, 414921, 1244763, 1797991, 5393973, 16181919]

約数ペア:

[(1, 16181919), (3, 5393973), (9, 1797991), (13, 1244763), (39, 414921), (117, 138307), (169, 95751), (507, 31917), (1521, 10639)]