18885658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45181}}^1$

素因数の和:45213

約数の個数: 16

約数和(自身を含む): 32531040

約数和(自身を除く): 13645382

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45181, 90362, 496991, 858439, 993982, 1716878, 9442829, 18885658]

約数ペア:

[(1, 18885658), (2, 9442829), (11, 1716878), (19, 993982), (22, 858439), (38, 496991), (209, 90362), (418, 45181)]