18838748

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 35768040

約数和(自身を除く): 16929292

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 307, 529, 614, 667, 1058, 1228, 1334, 2116, 2668, 7061, 8903, 14122, 15341, 17806, 28244, 30682, 35612, 61364, 162403, 204769, 324806, 409538, 649612, 819076, 4709687, 9419374, 18838748]

約数ペア:

[(1, 18838748), (2, 9419374), (4, 4709687), (23, 819076), (29, 649612), (46, 409538), (58, 324806), (92, 204769), (116, 162403), (307, 61364), (529, 35612), (614, 30682), (667, 28244), (1058, 17806), (1228, 15341), (1334, 14122), (2116, 8903), (2668, 7061)]