18587696

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27017}}^1$

素因数の和:27068

約数の個数: 20

約数和(自身を含む): 36852552

約数和(自身を除く): 18264856

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27017, 54034, 108068, 216136, 432272, 1161731, 2323462, 4646924, 9293848, 18587696]

約数ペア:

[(1, 18587696), (2, 9293848), (4, 4646924), (8, 2323462), (16, 1161731), (43, 432272), (86, 216136), (172, 108068), (344, 54034), (688, 27017)]