19761246

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 45090864

約数和(自身を除く): 25329618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 557, 657, 1114, 1314, 1671, 1971, 3342, 3942, 5013, 5913, 10026, 11826, 15039, 17739, 30078, 35478, 40661, 45117, 81322, 90234, 121983, 135351, 243966, 270702, 365949, 731898, 1097847, 2195694, 3293541, 6587082, 9880623, 19761246]

約数ペア:

[(1, 19761246), (2, 9880623), (3, 6587082), (6, 3293541), (9, 2195694), (18, 1097847), (27, 731898), (54, 365949), (73, 270702), (81, 243966), (146, 135351), (162, 121983), (219, 90234), (243, 81322), (438, 45117), (486, 40661), (557, 35478), (657, 30078), (1114, 17739), (1314, 15039), (1671, 11826), (1971, 10026), (3342, 5913), (3942, 5013)]