19157619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{11981}}^1$

素因数の和:12038

約数の個数: 16

約数和(自身を含む): 28181664

約数和(自身を除く): 9024045

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 11981, 35943, 155753, 467259, 491221, 1473663, 6385873, 19157619]

約数ペア:

[(1, 19157619), (3, 6385873), (13, 1473663), (39, 491221), (41, 467259), (123, 155753), (533, 35943), (1599, 11981)]