19301487

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 26383968

約数和(自身を除く): 7082481

約数列:

[1, 3, 53, 159, 233, 521, 699, 1563, 12349, 27613, 37047, 82839, 121393, 364179, 6433829, 19301487]

約数ペア:

[(1, 19301487), (3, 6433829), (53, 364179), (159, 121393), (233, 82839), (521, 37047), (699, 27613), (1563, 12349)]