18395390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2084

約数の個数: 32

約数和(自身を含む): 36179136

約数和(自身を除く): 17783746

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 1993, 3986, 4615, 9230, 9965, 19930, 25909, 51818, 129545, 141503, 259090, 283006, 707515, 1415030, 1839539, 3679078, 9197695, 18395390]

約数ペア:

[(1, 18395390), (2, 9197695), (5, 3679078), (10, 1839539), (13, 1415030), (26, 707515), (65, 283006), (71, 259090), (130, 141503), (142, 129545), (355, 51818), (710, 25909), (923, 19930), (1846, 9965), (1993, 9230), (3986, 4615)]