18170467

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 23265792

約数和(自身を除く): 5095325

約数列:

[1, 7, 17, 43, 53, 67, 119, 301, 371, 469, 731, 901, 1139, 2279, 2881, 3551, 5117, 6307, 7973, 15953, 20167, 24857, 38743, 48977, 60367, 152693, 271201, 342839, 422569, 1068851, 2595781, 18170467]

約数ペア:

[(1, 18170467), (7, 2595781), (17, 1068851), (43, 422569), (53, 342839), (67, 271201), (119, 152693), (301, 60367), (371, 48977), (469, 38743), (731, 24857), (901, 20167), (1139, 15953), (2279, 7973), (2881, 6307), (3551, 5117)]