18744327

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2633}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 31228704

約数和(自身を除く): 12484377

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2633, 7119, 7899, 18431, 23697, 55293, 165879, 297529, 892587, 2082703, 2677761, 6248109, 18744327]

約数ペア:

[(1, 18744327), (3, 6248109), (7, 2677761), (9, 2082703), (21, 892587), (63, 297529), (113, 165879), (339, 55293), (791, 23697), (1017, 18431), (2373, 7899), (2633, 7119)]