18990256

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25253}}^1$

素因数の和:25308

約数の個数: 20

約数和(自身を含む): 37577952

約数和(自身を除く): 18587696

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25253, 50506, 101012, 202024, 404048, 1186891, 2373782, 4747564, 9495128, 18990256]

約数ペア:

[(1, 18990256), (2, 9495128), (4, 4747564), (8, 2373782), (16, 1186891), (47, 404048), (94, 202024), (188, 101012), (376, 50506), (752, 25253)]