19800171

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 30584736

約数和(自身を除く): 10784565

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2333, 2829, 6999, 8487, 20997, 53659, 95653, 160977, 286959, 482931, 860877, 2200019, 6600057, 19800171]

約数ペア:

[(1, 19800171), (3, 6600057), (9, 2200019), (23, 860877), (41, 482931), (69, 286959), (123, 160977), (207, 95653), (369, 53659), (943, 20997), (2333, 8487), (2829, 6999)]