18197151

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1327}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 27792384

約数和(自身を除く): 9595233

約数列:

[1, 3, 7, 21, 653, 1327, 1959, 3981, 4571, 9289, 13713, 27867, 866531, 2599593, 6065717, 18197151]

約数ペア:

[(1, 18197151), (3, 6065717), (7, 2599593), (21, 866531), (653, 27867), (1327, 13713), (1959, 9289), (3981, 4571)]