19826874

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 45444672

約数和(自身を除く): 25617798

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 577, 747, 1154, 1494, 1731, 1909, 3462, 3818, 5193, 5727, 10386, 11454, 13271, 17181, 26542, 34362, 39813, 47891, 79626, 95782, 119439, 143673, 238878, 287346, 431019, 862038, 1101493, 2202986, 3304479, 6608958, 9913437, 19826874]

約数ペア:

[(1, 19826874), (2, 9913437), (3, 6608958), (6, 3304479), (9, 2202986), (18, 1101493), (23, 862038), (46, 431019), (69, 287346), (83, 238878), (138, 143673), (166, 119439), (207, 95782), (249, 79626), (414, 47891), (498, 39813), (577, 34362), (747, 26542), (1154, 17181), (1494, 13271), (1731, 11454), (1909, 10386), (3462, 5727), (3818, 5193)]