18212007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8237}}^1$

素因数の和:8318

約数の個数: 16

約数和(自身を含む): 26888832

約数和(自身を除く): 8676825

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 8237, 24711, 90607, 271821, 551879, 1655637, 6070669, 18212007]

約数ペア:

[(1, 18212007), (3, 6070669), (11, 1655637), (33, 551879), (67, 271821), (201, 90607), (737, 24711), (2211, 8237)]