18213244

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20983}}^1$

素因数の和:21025

約数の個数: 24

約数和(自身を含む): 37603328

約数和(自身を除く): 19390084

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20983, 41966, 83932, 146881, 293762, 587524, 650473, 1300946, 2601892, 4553311, 9106622, 18213244]

約数ペア:

[(1, 18213244), (2, 9106622), (4, 4553311), (7, 2601892), (14, 1300946), (28, 650473), (31, 587524), (62, 293762), (124, 146881), (217, 83932), (434, 41966), (868, 20983)]