18745474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{1153}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 30742560

約数和(自身を除く): 11997086

約数列:

[1, 2, 11, 22, 739, 1153, 1478, 2306, 8129, 12683, 16258, 25366, 852067, 1704134, 9372737, 18745474]

約数ペア:

[(1, 18745474), (2, 9372737), (11, 1704134), (22, 852067), (739, 25366), (1153, 16258), (1478, 12683), (2306, 8129)]