18936351

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17681}}^1$

素因数の和:17711

約数の個数: 24

約数和(自身を含む): 33100704

約数和(自身を除く): 14164353

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17681, 53043, 123767, 159129, 300577, 371301, 901731, 1113903, 2104039, 2705193, 6312117, 18936351]

約数ペア:

[(1, 18936351), (3, 6312117), (7, 2705193), (9, 2104039), (17, 1113903), (21, 901731), (51, 371301), (63, 300577), (119, 159129), (153, 123767), (357, 53043), (1071, 17681)]