19912047

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 27507168

約数和(自身を除く): 7595121

約数列:

[1, 3, 53, 61, 159, 183, 2053, 3233, 6159, 9699, 108809, 125233, 326427, 375699, 6637349, 19912047]

約数ペア:

[(1, 19912047), (3, 6637349), (53, 375699), (61, 326427), (159, 125233), (183, 108809), (2053, 9699), (3233, 6159)]