18206888

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7561}}^1$

素因数の和:7617

約数の個数: 32

約数和(自身を含む): 39927360

約数和(自身を除く): 21720472

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7561, 15122, 30244, 52927, 60488, 105854, 211708, 325123, 423416, 650246, 1300492, 2275861, 2600984, 4551722, 9103444, 18206888]

約数ペア:

[(1, 18206888), (2, 9103444), (4, 4551722), (7, 2600984), (8, 2275861), (14, 1300492), (28, 650246), (43, 423416), (56, 325123), (86, 211708), (172, 105854), (301, 60488), (344, 52927), (602, 30244), (1204, 15122), (2408, 7561)]