19463504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 40265280

約数和(自身を除く): 20801776

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 439, 652, 878, 1304, 1756, 2608, 2771, 3512, 5542, 7024, 7463, 11084, 14926, 22168, 29852, 44336, 59704, 71557, 119408, 143114, 286228, 572456, 1144912, 1216469, 2432938, 4865876, 9731752, 19463504]

約数ペア:

[(1, 19463504), (2, 9731752), (4, 4865876), (8, 2432938), (16, 1216469), (17, 1144912), (34, 572456), (68, 286228), (136, 143114), (163, 119408), (272, 71557), (326, 59704), (439, 44336), (652, 29852), (878, 22168), (1304, 14926), (1756, 11084), (2608, 7463), (2771, 7024), (3512, 5542)]