18685268

素因数分解:

$2^2\times 7^3\times {\mathrm{13619}}^1$

素因数の和:13644

約数の個数: 24

約数和(自身を含む): 38136000

約数和(自身を除く): 19450732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13619, 27238, 54476, 95333, 190666, 381332, 667331, 1334662, 2669324, 4671317, 9342634, 18685268]

約数ペア:

[(1, 18685268), (2, 9342634), (4, 4671317), (7, 2669324), (14, 1334662), (28, 667331), (49, 381332), (98, 190666), (196, 95333), (343, 54476), (686, 27238), (1372, 13619)]