19731957

素因数分解:

$3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 30780000

約数和(自身を除く): 11048043

約数列:

[1, 3, 7, 21, 49, 147, 269, 499, 807, 1497, 1883, 3493, 5649, 10479, 13181, 24451, 39543, 73353, 134231, 402693, 939617, 2818851, 6577319, 19731957]

約数ペア:

[(1, 19731957), (3, 6577319), (7, 2818851), (21, 939617), (49, 402693), (147, 134231), (269, 73353), (499, 39543), (807, 24451), (1497, 13181), (1883, 10479), (3493, 5649)]