19068987

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 29998416

約数和(自身を除く): 10929429

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1777, 3577, 5331, 10731, 12439, 37317, 87073, 129721, 261219, 389163, 908047, 2724141, 6356329, 19068987]

約数ペア:

[(1, 19068987), (3, 6356329), (7, 2724141), (21, 908047), (49, 389163), (73, 261219), (147, 129721), (219, 87073), (511, 37317), (1533, 12439), (1777, 10731), (3577, 5331)]