18915234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 40932864

約数和(自身を除く): 22017630

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 843, 863, 1686, 1726, 2589, 3653, 5178, 7306, 10959, 11219, 21918, 22438, 33657, 67314, 242503, 485006, 727509, 1455018, 3152539, 6305078, 9457617, 18915234]

約数ペア:

[(1, 18915234), (2, 9457617), (3, 6305078), (6, 3152539), (13, 1455018), (26, 727509), (39, 485006), (78, 242503), (281, 67314), (562, 33657), (843, 22438), (863, 21918), (1686, 11219), (1726, 10959), (2589, 7306), (3653, 5178)]