19996862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{809}}^1$

素因数の和:1555

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11845858

約数列:

[1, 2, 17, 34, 727, 809, 1454, 1618, 12359, 13753, 24718, 27506, 588143, 1176286, 9998431, 19996862]

約数ペア:

[(1, 19996862), (2, 9998431), (17, 1176286), (34, 588143), (727, 27506), (809, 24718), (1454, 13753), (1618, 12359)]