18218326

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 32617728

約数和(自身を除く): 14399402

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 571, 602, 742, 1142, 2279, 3997, 4558, 7994, 15953, 24553, 30263, 31906, 49106, 60526, 171871, 211841, 343742, 423682, 1301309, 2602618, 9109163, 18218326]

約数ペア:

[(1, 18218326), (2, 9109163), (7, 2602618), (14, 1301309), (43, 423682), (53, 343742), (86, 211841), (106, 171871), (301, 60526), (371, 49106), (571, 31906), (602, 30263), (742, 24553), (1142, 15953), (2279, 7994), (3997, 4558)]