18949508740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3833}}^1\times {\mathrm{6029}}^1$

素因数の和:9912

約数の個数: 48

約数和(自身を含む): 40781951280

約数和(自身を除く): 21832442540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3833, 6029, 7666, 12058, 15332, 19165, 24116, 30145, 38330, 60290, 76660, 120580, 157153, 247189, 314306, 494378, 628612, 785765, 988756, 1235945, 1571530, 2471890, 3143060, 4943780, 23109157, 46218314, 92436628, 115545785, 231091570, 462183140, 947475437, 1894950874, 3789901748, 4737377185, 9474754370, 18949508740]

約数ペア:

[(1, 18949508740), (2, 9474754370), (4, 4737377185), (5, 3789901748), (10, 1894950874), (20, 947475437), (41, 462183140), (82, 231091570), (164, 115545785), (205, 92436628), (410, 46218314), (820, 23109157), (3833, 4943780), (6029, 3143060), (7666, 2471890), (12058, 1571530), (15332, 1235945), (19165, 988756), (24116, 785765), (30145, 628612), (38330, 494378), (60290, 314306), (76660, 247189), (120580, 157153)]