18687370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3343}}^1$

素因数の和:3406

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 18390902

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3343, 5590, 6686, 16715, 33430, 43459, 86918, 143749, 217295, 287498, 434590, 718745, 1437490, 1868737, 3737474, 9343685, 18687370]

約数ペア:

[(1, 18687370), (2, 9343685), (5, 3737474), (10, 1868737), (13, 1437490), (26, 718745), (43, 434590), (65, 287498), (86, 217295), (130, 143749), (215, 86918), (430, 43459), (559, 33430), (1118, 16715), (2795, 6686), (3343, 5590)]