19802943

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 30455568

約数和(自身を除く): 10652625

約数列:

[1, 3, 9, 17, 51, 153, 347, 373, 1041, 1119, 3123, 3357, 5899, 6341, 17697, 19023, 53091, 57069, 129431, 388293, 1164879, 2200327, 6600981, 19802943]

約数ペア:

[(1, 19802943), (3, 6600981), (9, 2200327), (17, 1164879), (51, 388293), (153, 129431), (347, 57069), (373, 53091), (1041, 19023), (1119, 17697), (3123, 6341), (3357, 5899)]