18444678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1521

約数の個数: 48

約数和(自身を含む): 43940160

約数和(自身を除く): 25495482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1459, 1806, 2107, 2918, 4214, 4377, 6321, 8754, 10213, 12642, 20426, 30639, 61278, 62737, 71491, 125474, 142982, 188211, 214473, 376422, 428946, 439159, 878318, 1317477, 2634954, 3074113, 6148226, 9222339, 18444678]

約数ペア:

[(1, 18444678), (2, 9222339), (3, 6148226), (6, 3074113), (7, 2634954), (14, 1317477), (21, 878318), (42, 439159), (43, 428946), (49, 376422), (86, 214473), (98, 188211), (129, 142982), (147, 125474), (258, 71491), (294, 62737), (301, 61278), (602, 30639), (903, 20426), (1459, 12642), (1806, 10213), (2107, 8754), (2918, 6321), (4214, 4377)]