19913835

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9551}}^1$

素因数の和:9698

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 12180885

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9551, 28653, 47755, 143265, 1327589, 3982767, 6637945, 19913835]

約数ペア:

[(1, 19913835), (3, 6637945), (5, 3982767), (15, 1327589), (139, 143265), (417, 47755), (695, 28653), (2085, 9551)]