19389573

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5807}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 32617728

約数和(自身を除く): 13228155

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5807, 17421, 40649, 52263, 121947, 307771, 365841, 923313, 2154397, 2769939, 6463191, 19389573]

約数ペア:

[(1, 19389573), (3, 6463191), (7, 2769939), (9, 2154397), (21, 923313), (53, 365841), (63, 307771), (159, 121947), (371, 52263), (477, 40649), (1113, 17421), (3339, 5807)]