19700259

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5466

約数の個数: 16

約数和(自身を含む): 27931392

約数和(自身を除く): 8231133

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5387, 16161, 123901, 285511, 371703, 856533, 6566753, 19700259]

約数ペア:

[(1, 19700259), (3, 6566753), (23, 856533), (53, 371703), (69, 285511), (159, 123901), (1219, 16161), (3657, 5387)]