19538493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3191}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 28242816

約数和(自身を除く): 8704323

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3191, 6123, 9573, 41483, 124449, 500987, 1502961, 6512831, 19538493]

約数ペア:

[(1, 19538493), (3, 6512831), (13, 1502961), (39, 500987), (157, 124449), (471, 41483), (2041, 9573), (3191, 6123)]