18749656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 37220400

約数和(自身を除く): 18470744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 421, 586, 842, 1172, 1684, 2344, 3368, 5567, 7999, 11134, 15998, 22268, 31996, 44536, 63992, 123353, 246706, 493412, 986824, 2343707, 4687414, 9374828, 18749656]

約数ペア:

[(1, 18749656), (2, 9374828), (4, 4687414), (8, 2343707), (19, 986824), (38, 493412), (76, 246706), (152, 123353), (293, 63992), (421, 44536), (586, 31996), (842, 22268), (1172, 15998), (1684, 11134), (2344, 7999), (3368, 5567)]