19727829

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 11721771

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2239, 2937, 6717, 8811, 20151, 24629, 73887, 199271, 221661, 597813, 1793439, 2191981, 6575943, 19727829]

約数ペア:

[(1, 19727829), (3, 6575943), (9, 2191981), (11, 1793439), (33, 597813), (89, 221661), (99, 199271), (267, 73887), (801, 24629), (979, 20151), (2239, 8811), (2937, 6717)]