19980363

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{39409}}^1$

素因数の和:39438

約数の個数: 12

約数和(自身を含む): 28848120

約数和(自身を除く): 8867757

約数列:

[1, 3, 13, 39, 169, 507, 39409, 118227, 512317, 1536951, 6660121, 19980363]

約数ペア:

[(1, 19980363), (3, 6660121), (13, 1536951), (39, 512317), (169, 118227), (507, 39409)]