18389148

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 26298852

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 83, 111, 148, 166, 222, 249, 332, 444, 498, 499, 996, 998, 1497, 1996, 2994, 3071, 5988, 6142, 9213, 12284, 18426, 18463, 36852, 36926, 41417, 55389, 73852, 82834, 110778, 124251, 165668, 221556, 248502, 497004, 1532429, 3064858, 4597287, 6129716, 9194574, 18389148]

約数ペア:

[(1, 18389148), (2, 9194574), (3, 6129716), (4, 4597287), (6, 3064858), (12, 1532429), (37, 497004), (74, 248502), (83, 221556), (111, 165668), (148, 124251), (166, 110778), (222, 82834), (249, 73852), (332, 55389), (444, 41417), (498, 36926), (499, 36852), (996, 18463), (998, 18426), (1497, 12284), (1996, 9213), (2994, 6142), (3071, 5988)]