18485392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67961}}^1$

素因数の和:67986

約数の個数: 20

約数和(自身を含む): 37922796

約数和(自身を除く): 19437404

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67961, 135922, 271844, 543688, 1087376, 1155337, 2310674, 4621348, 9242696, 18485392]

約数ペア:

[(1, 18485392), (2, 9242696), (4, 4621348), (8, 2310674), (16, 1155337), (17, 1087376), (34, 543688), (68, 271844), (136, 135922), (272, 67961)]