18799389

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:974

約数の個数: 36

約数和(自身を含む): 32295744

約数和(自身を除く): 13496355

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 907, 987, 2303, 2721, 2961, 6349, 6909, 8163, 19047, 20727, 42629, 44443, 57141, 127887, 133329, 298403, 383661, 399987, 895209, 2088821, 2685627, 6266463, 18799389]

約数ペア:

[(1, 18799389), (3, 6266463), (7, 2685627), (9, 2088821), (21, 895209), (47, 399987), (49, 383661), (63, 298403), (141, 133329), (147, 127887), (329, 57141), (423, 44443), (441, 42629), (907, 20727), (987, 19047), (2303, 8163), (2721, 6909), (2961, 6349)]