19889996

素因数分解:

$2^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1483}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 39889920

約数和(自身を除く): 19999924

約数列:

[1, 2, 4, 7, 14, 28, 479, 958, 1483, 1916, 2966, 3353, 5932, 6706, 10381, 13412, 20762, 41524, 710357, 1420714, 2841428, 4972499, 9944998, 19889996]

約数ペア:

[(1, 19889996), (2, 9944998), (4, 4972499), (7, 2841428), (14, 1420714), (28, 710357), (479, 41524), (958, 20762), (1483, 13412), (1916, 10381), (2966, 6706), (3353, 5932)]