19130139

素因数分解:

$3^2\times 7^3\times {\mathrm{6197}}^1$

素因数の和:6224

約数の個数: 24

約数和(自身を含む): 32229600

約数和(自身を除く): 13099461

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6197, 18591, 43379, 55773, 130137, 303653, 390411, 910959, 2125571, 2732877, 6376713, 19130139]

約数ペア:

[(1, 19130139), (3, 6376713), (7, 2732877), (9, 2125571), (21, 910959), (49, 390411), (63, 303653), (147, 130137), (343, 55773), (441, 43379), (1029, 18591), (3087, 6197)]