19118259

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9422253

約数列:

[1, 3, 9, 41, 123, 197, 263, 369, 591, 789, 1773, 2367, 8077, 10783, 24231, 32349, 51811, 72693, 97047, 155433, 466299, 2124251, 6372753, 19118259]

約数ペア:

[(1, 19118259), (3, 6372753), (9, 2124251), (41, 466299), (123, 155433), (197, 97047), (263, 72693), (369, 51811), (591, 32349), (789, 24231), (1773, 10783), (2367, 8077)]