19675287

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{487}}^1$

素因数の和:627

約数の個数: 18

約数和(自身を含む): 28909608

約数和(自身を除く): 9234321

約数列:

[1, 3, 9, 67, 201, 487, 603, 1461, 4383, 4489, 13467, 32629, 40401, 97887, 293661, 2186143, 6558429, 19675287]

約数ペア:

[(1, 19675287), (3, 6558429), (9, 2186143), (67, 293661), (201, 97887), (487, 40401), (603, 32629), (1461, 13467), (4383, 4489)]