16947448

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 37375920

約数和(自身を除く): 20428472

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 137, 188, 274, 329, 376, 548, 658, 959, 1096, 1316, 1918, 2209, 2632, 3836, 4418, 6439, 7672, 8836, 12878, 15463, 17672, 25756, 30926, 45073, 51512, 61852, 90146, 123704, 180292, 302633, 360584, 605266, 1210532, 2118431, 2421064, 4236862, 8473724, 16947448]

約数ペア:

[(1, 16947448), (2, 8473724), (4, 4236862), (7, 2421064), (8, 2118431), (14, 1210532), (28, 605266), (47, 360584), (56, 302633), (94, 180292), (137, 123704), (188, 90146), (274, 61852), (329, 51512), (376, 45073), (548, 30926), (658, 25756), (959, 17672), (1096, 15463), (1316, 12878), (1918, 8836), (2209, 7672), (2632, 6439), (3836, 4418)]