18761138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27509}}^1$

素因数の和:27553

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 12930382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27509, 55018, 302599, 605198, 852779, 1705558, 9380569, 18761138]

約数ペア:

[(1, 18761138), (2, 9380569), (11, 1705558), (22, 852779), (31, 605198), (62, 302599), (341, 55018), (682, 27509)]