19324809

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 32148480

約数和(自身を除く): 12823671

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2239, 2877, 6717, 8631, 15673, 20151, 47019, 141057, 306743, 920229, 2147201, 2760687, 6441603, 19324809]

約数ペア:

[(1, 19324809), (3, 6441603), (7, 2760687), (9, 2147201), (21, 920229), (63, 306743), (137, 141057), (411, 47019), (959, 20151), (1233, 15673), (2239, 8631), (2877, 6717)]