19269484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 17210036

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1409, 2818, 3419, 5636, 6838, 13676, 18317, 36634, 73268, 370567, 741134, 1482268, 4817371, 9634742, 19269484]

約数ペア:

[(1, 19269484), (2, 9634742), (4, 4817371), (13, 1482268), (26, 741134), (52, 370567), (263, 73268), (526, 36634), (1052, 18317), (1409, 13676), (2818, 6838), (3419, 5636)]