18572937

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 28139520

約数和(自身を除く): 9566583

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 437, 457, 589, 713, 1311, 1371, 1767, 2139, 8683, 10511, 13547, 14167, 26049, 31533, 40641, 42501, 199709, 269173, 325841, 599127, 807519, 977523, 6190979, 18572937]

約数ペア:

[(1, 18572937), (3, 6190979), (19, 977523), (23, 807519), (31, 599127), (57, 325841), (69, 269173), (93, 199709), (437, 42501), (457, 40641), (589, 31533), (713, 26049), (1311, 14167), (1371, 13547), (1767, 10511), (2139, 8683)]