18404344

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7643}}^1$

素因数の和:7699

約数の個数: 32

約数和(自身を含む): 40360320

約数和(自身を除く): 21955976

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7643, 15286, 30572, 53501, 61144, 107002, 214004, 328649, 428008, 657298, 1314596, 2300543, 2629192, 4601086, 9202172, 18404344]

約数ペア:

[(1, 18404344), (2, 9202172), (4, 4601086), (7, 2629192), (8, 2300543), (14, 1314596), (28, 657298), (43, 428008), (56, 328649), (86, 214004), (172, 107002), (301, 61144), (344, 53501), (602, 30572), (1204, 15286), (2408, 7643)]