18643834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27337}}^1$

素因数の和:27381

約数の個数: 16

約数和(自身を含む): 31493376

約数和(自身を除く): 12849542

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27337, 54674, 300707, 601414, 847447, 1694894, 9321917, 18643834]

約数ペア:

[(1, 18643834), (2, 9321917), (11, 1694894), (22, 847447), (31, 601414), (62, 300707), (341, 54674), (682, 27337)]