18837560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1373}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 49464000

約数和(自身を除く): 30626440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1373, 1715, 1960, 2744, 2746, 3430, 5492, 6860, 6865, 9611, 10984, 13720, 13730, 19222, 27460, 38444, 48055, 54920, 67277, 76888, 96110, 134554, 192220, 269108, 336385, 384440, 470939, 538216, 672770, 941878, 1345540, 1883756, 2354695, 2691080, 3767512, 4709390, 9418780, 18837560]

約数ペア:

[(1, 18837560), (2, 9418780), (4, 4709390), (5, 3767512), (7, 2691080), (8, 2354695), (10, 1883756), (14, 1345540), (20, 941878), (28, 672770), (35, 538216), (40, 470939), (49, 384440), (56, 336385), (70, 269108), (98, 192220), (140, 134554), (196, 96110), (245, 76888), (280, 67277), (343, 54920), (392, 48055), (490, 38444), (686, 27460), (980, 19222), (1372, 13730), (1373, 13720), (1715, 10984), (1960, 9611), (2744, 6865), (2746, 6860), (3430, 5492)]