18488944

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21803}}^1$

素因数の和:21864

約数の個数: 20

約数和(自身を含む): 36499896

約数和(自身を除く): 18010952

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21803, 43606, 87212, 174424, 348848, 1155559, 2311118, 4622236, 9244472, 18488944]

約数ペア:

[(1, 18488944), (2, 9244472), (4, 4622236), (8, 2311118), (16, 1155559), (53, 348848), (106, 174424), (212, 87212), (424, 43606), (848, 21803)]