19512909

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12829}}^1$

素因数の和:12861

約数の個数: 18

約数和(自身を含む): 30522570

約数和(自身を除く): 11009661

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12829, 38487, 115461, 166777, 500331, 1500993, 2168101, 6504303, 19512909]

約数ペア:

[(1, 19512909), (3, 6504303), (9, 2168101), (13, 1500993), (39, 500331), (117, 166777), (169, 115461), (507, 38487), (1521, 12829)]