19405029

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 30418848

約数和(自身を除く): 11013819

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1307, 2121, 3921, 4949, 9149, 14847, 27447, 64043, 132007, 192129, 396021, 924049, 2772147, 6468343, 19405029]

約数ペア:

[(1, 19405029), (3, 6468343), (7, 2772147), (21, 924049), (49, 396021), (101, 192129), (147, 132007), (303, 64043), (707, 27447), (1307, 14847), (2121, 9149), (3921, 4949)]