15818238

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 35582976

約数和(自身を除く): 19764738

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 191, 214, 258, 321, 382, 387, 573, 642, 774, 963, 1146, 1719, 1926, 3438, 4601, 8213, 9202, 13803, 16426, 20437, 24639, 27606, 40874, 41409, 49278, 61311, 73917, 82818, 122622, 147834, 183933, 367866, 878791, 1757582, 2636373, 5272746, 7909119, 15818238]

約数ペア:

[(1, 15818238), (2, 7909119), (3, 5272746), (6, 2636373), (9, 1757582), (18, 878791), (43, 367866), (86, 183933), (107, 147834), (129, 122622), (191, 82818), (214, 73917), (258, 61311), (321, 49278), (382, 41409), (387, 40874), (573, 27606), (642, 24639), (774, 20437), (963, 16426), (1146, 13803), (1719, 9202), (1926, 8213), (3438, 4601)]