18970256

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2267}}^1$

素因数の和:2798

約数の個数: 20

約数和(自身を含む): 36841392

約数和(自身を除く): 17871136

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2267, 4184, 4534, 8368, 9068, 18136, 36272, 1185641, 2371282, 4742564, 9485128, 18970256]

約数ペア:

[(1, 18970256), (2, 9485128), (4, 4742564), (8, 2371282), (16, 1185641), (523, 36272), (1046, 18136), (2092, 9068), (2267, 8368), (4184, 4534)]