18118910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 34547040

約数和(自身を除く): 16428130

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 1453, 2494, 2906, 6235, 7265, 12470, 14530, 42137, 62479, 84274, 124958, 210685, 312395, 421370, 624790, 1811891, 3623782, 9059455, 18118910]

約数ペア:

[(1, 18118910), (2, 9059455), (5, 3623782), (10, 1811891), (29, 624790), (43, 421370), (58, 312395), (86, 210685), (145, 124958), (215, 84274), (290, 62479), (430, 42137), (1247, 14530), (1453, 12470), (2494, 7265), (2906, 6235)]