19187007

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17239}}^1$

素因数の和:17302

約数の個数: 16

約数和(自身を含む): 29790720

約数和(自身を除く): 10603713

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17239, 51717, 120673, 362019, 913667, 2741001, 6395669, 19187007]

約数ペア:

[(1, 19187007), (3, 6395669), (7, 2741001), (21, 913667), (53, 362019), (159, 120673), (371, 51717), (1113, 17239)]