19938512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113287}}^1$

素因数の和:113306

約数の個数: 20

約数和(自身を含む): 42143136

約数和(自身を除く): 22204624

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113287, 226574, 453148, 906296, 1246157, 1812592, 2492314, 4984628, 9969256, 19938512]

約数ペア:

[(1, 19938512), (2, 9969256), (4, 4984628), (8, 2492314), (11, 1812592), (16, 1246157), (22, 906296), (44, 453148), (88, 226574), (176, 113287)]