19160628

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 46480896

約数和(自身を除く): 27320268

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 516, 523, 852, 1046, 1569, 2092, 3053, 3138, 6106, 6276, 9159, 12212, 18318, 22489, 36636, 37133, 44978, 67467, 74266, 89956, 111399, 134934, 148532, 222798, 269868, 445596, 1596719, 3193438, 4790157, 6386876, 9580314, 19160628]

約数ペア:

[(1, 19160628), (2, 9580314), (3, 6386876), (4, 4790157), (6, 3193438), (12, 1596719), (43, 445596), (71, 269868), (86, 222798), (129, 148532), (142, 134934), (172, 111399), (213, 89956), (258, 74266), (284, 67467), (426, 44978), (516, 37133), (523, 36636), (852, 22489), (1046, 18318), (1569, 12212), (2092, 9159), (3053, 6276), (3138, 6106)]