19193812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2437}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 36862560

約数和(自身を除く): 17668748

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2437, 3938, 4874, 7876, 9748, 26807, 53614, 107228, 436223, 872446, 1744892, 4798453, 9596906, 19193812]

約数ペア:

[(1, 19193812), (2, 9596906), (4, 4798453), (11, 1744892), (22, 872446), (44, 436223), (179, 107228), (358, 53614), (716, 26807), (1969, 9748), (2437, 7876), (3938, 4874)]