18710220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10753}}^1$

素因数の和:10794

約数の個数: 48

約数和(自身を含む): 54200160

約数和(自身を除く): 35489940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10753, 21506, 32259, 43012, 53765, 64518, 107530, 129036, 161295, 215060, 311837, 322590, 623674, 645180, 935511, 1247348, 1559185, 1871022, 3118370, 3742044, 4677555, 6236740, 9355110, 18710220]

約数ペア:

[(1, 18710220), (2, 9355110), (3, 6236740), (4, 4677555), (5, 3742044), (6, 3118370), (10, 1871022), (12, 1559185), (15, 1247348), (20, 935511), (29, 645180), (30, 623674), (58, 322590), (60, 311837), (87, 215060), (116, 161295), (145, 129036), (174, 107530), (290, 64518), (348, 53765), (435, 43012), (580, 32259), (870, 21506), (1740, 10753)]