18722874

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 39320064

約数和(自身を除く): 20597190

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 211, 422, 633, 643, 1266, 1286, 1929, 3858, 4853, 9706, 14559, 14789, 29118, 29578, 44367, 88734, 135673, 271346, 407019, 814038, 3120479, 6240958, 9361437, 18722874]

約数ペア:

[(1, 18722874), (2, 9361437), (3, 6240958), (6, 3120479), (23, 814038), (46, 407019), (69, 271346), (138, 135673), (211, 88734), (422, 44367), (633, 29578), (643, 29118), (1266, 14789), (1286, 14559), (1929, 9706), (3858, 4853)]