18886516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1237}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 36189216

約数和(自身を除く): 17302700

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1237, 1388, 2474, 3817, 4948, 7634, 13607, 15268, 27214, 54428, 429239, 858478, 1716956, 4721629, 9443258, 18886516]

約数ペア:

[(1, 18886516), (2, 9443258), (4, 4721629), (11, 1716956), (22, 858478), (44, 429239), (347, 54428), (694, 27214), (1237, 15268), (1388, 13607), (2474, 7634), (3817, 4948)]