19750456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2299

約数の個数: 32

約数和(自身を含む): 40809600

約数和(自身を除く): 21059144

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2179, 2266, 4358, 4532, 8716, 9064, 17432, 23969, 47938, 95876, 191752, 224437, 448874, 897748, 1795496, 2468807, 4937614, 9875228, 19750456]

約数ペア:

[(1, 19750456), (2, 9875228), (4, 4937614), (8, 2468807), (11, 1795496), (22, 897748), (44, 448874), (88, 224437), (103, 191752), (206, 95876), (412, 47938), (824, 23969), (1133, 17432), (2179, 9064), (2266, 8716), (4358, 4532)]