18921528

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2411}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 51737400

約数和(自身を除く): 32815872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2411, 2616, 3924, 4822, 7233, 7848, 9644, 14466, 19288, 21699, 28932, 43398, 57864, 86796, 173592, 262799, 525598, 788397, 1051196, 1576794, 2102392, 2365191, 3153588, 4730382, 6307176, 9460764, 18921528]

約数ペア:

[(1, 18921528), (2, 9460764), (3, 6307176), (4, 4730382), (6, 3153588), (8, 2365191), (9, 2102392), (12, 1576794), (18, 1051196), (24, 788397), (36, 525598), (72, 262799), (109, 173592), (218, 86796), (327, 57864), (436, 43398), (654, 28932), (872, 21699), (981, 19288), (1308, 14466), (1962, 9644), (2411, 7848), (2616, 7233), (3924, 4822)]