18218354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 34273152

約数和(自身を除く): 16054798

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 281, 421, 562, 842, 1967, 2947, 3091, 3934, 4631, 5894, 6182, 9262, 21637, 32417, 43274, 64834, 118301, 236602, 828107, 1301311, 1656214, 2602622, 9109177, 18218354]

約数ペア:

[(1, 18218354), (2, 9109177), (7, 2602622), (11, 1656214), (14, 1301311), (22, 828107), (77, 236602), (154, 118301), (281, 64834), (421, 43274), (562, 32417), (842, 21637), (1967, 9262), (2947, 6182), (3091, 5894), (3934, 4631)]