18589072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19221008

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 659, 688, 1318, 1763, 2636, 3526, 5272, 7052, 10544, 14104, 27019, 28208, 28337, 54038, 56674, 108076, 113348, 216152, 226696, 432304, 453392, 1161817, 2323634, 4647268, 9294536, 18589072]

約数ペア:

[(1, 18589072), (2, 9294536), (4, 4647268), (8, 2323634), (16, 1161817), (41, 453392), (43, 432304), (82, 226696), (86, 216152), (164, 113348), (172, 108076), (328, 56674), (344, 54038), (656, 28337), (659, 28208), (688, 27019), (1318, 14104), (1763, 10544), (2636, 7052), (3526, 5272)]