19147840

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1199

約数の個数: 56

約数和(自身を含む): 46497240

約数和(自身を除く): 27349400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1129, 1696, 2120, 2258, 3392, 4240, 4516, 5645, 8480, 9032, 11290, 16960, 18064, 22580, 36128, 45160, 59837, 72256, 90320, 119674, 180640, 239348, 299185, 361280, 478696, 598370, 957392, 1196740, 1914784, 2393480, 3829568, 4786960, 9573920, 19147840]

約数ペア:

[(1, 19147840), (2, 9573920), (4, 4786960), (5, 3829568), (8, 2393480), (10, 1914784), (16, 1196740), (20, 957392), (32, 598370), (40, 478696), (53, 361280), (64, 299185), (80, 239348), (106, 180640), (160, 119674), (212, 90320), (265, 72256), (320, 59837), (424, 45160), (530, 36128), (848, 22580), (1060, 18064), (1129, 16960), (1696, 11290), (2120, 9032), (2258, 8480), (3392, 5645), (4240, 4516)]