19503152

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 39037680

約数和(自身を除く): 19534528

約数列:

[1, 2, 4, 8, 16, 53, 106, 109, 211, 212, 218, 422, 424, 436, 844, 848, 872, 1688, 1744, 3376, 5777, 11183, 11554, 22366, 22999, 23108, 44732, 45998, 46216, 89464, 91996, 92432, 178928, 183992, 367984, 1218947, 2437894, 4875788, 9751576, 19503152]

約数ペア:

[(1, 19503152), (2, 9751576), (4, 4875788), (8, 2437894), (16, 1218947), (53, 367984), (106, 183992), (109, 178928), (211, 92432), (212, 91996), (218, 89464), (422, 46216), (424, 45998), (436, 44732), (844, 23108), (848, 22999), (872, 22366), (1688, 11554), (1744, 11183), (3376, 5777)]