18954292

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4153}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 38150336

約数和(自身を除く): 19196044

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4153, 4564, 8306, 16612, 29071, 58142, 116284, 676939, 1353878, 2707756, 4738573, 9477146, 18954292]

約数ペア:

[(1, 18954292), (2, 9477146), (4, 4738573), (7, 2707756), (14, 1353878), (28, 676939), (163, 116284), (326, 58142), (652, 29071), (1141, 16612), (2282, 8306), (4153, 4564)]