19843641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5685

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 11830599

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5639, 16917, 50751, 95863, 129697, 287589, 389091, 862767, 1167273, 2204849, 6614547, 19843641]

約数ペア:

[(1, 19843641), (3, 6614547), (9, 2204849), (17, 1167273), (23, 862767), (51, 389091), (69, 287589), (153, 129697), (207, 95863), (391, 50751), (1173, 16917), (3519, 5639)]