18872874

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23584086

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 107, 123, 214, 239, 246, 321, 369, 478, 642, 717, 738, 963, 1434, 1926, 2151, 4302, 4387, 8774, 9799, 13161, 19598, 25573, 26322, 29397, 39483, 51146, 58794, 76719, 78966, 88191, 153438, 176382, 230157, 460314, 1048493, 2096986, 3145479, 6290958, 9436437, 18872874]

約数ペア:

[(1, 18872874), (2, 9436437), (3, 6290958), (6, 3145479), (9, 2096986), (18, 1048493), (41, 460314), (82, 230157), (107, 176382), (123, 153438), (214, 88191), (239, 78966), (246, 76719), (321, 58794), (369, 51146), (478, 39483), (642, 29397), (717, 26322), (738, 25573), (963, 19598), (1434, 13161), (1926, 9799), (2151, 8774), (4302, 4387)]