18583928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 19639432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 947, 1784, 1894, 2453, 3788, 4906, 7576, 9812, 10417, 19624, 20834, 41668, 83336, 211181, 422362, 844724, 1689448, 2322991, 4645982, 9291964, 18583928]

約数ペア:

[(1, 18583928), (2, 9291964), (4, 4645982), (8, 2322991), (11, 1689448), (22, 844724), (44, 422362), (88, 211181), (223, 83336), (446, 41668), (892, 20834), (947, 19624), (1784, 10417), (1894, 9812), (2453, 7576), (3788, 4906)]