18704138470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1\times {\mathrm{8867}}^1$

素因数の和:11916

約数の個数: 32

約数和(自身を含む): 34156982016

約数和(自身を除く): 15452843546

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2971, 5942, 8867, 14855, 17734, 29710, 44335, 88670, 210941, 421882, 629557, 1054705, 1259114, 2109410, 3147785, 6295570, 26343857, 52687714, 131719285, 263438570, 1870413847, 3740827694, 9352069235, 18704138470]

約数ペア:

[(1, 18704138470), (2, 9352069235), (5, 3740827694), (10, 1870413847), (71, 263438570), (142, 131719285), (355, 52687714), (710, 26343857), (2971, 6295570), (5942, 3147785), (8867, 2109410), (14855, 1259114), (17734, 1054705), (29710, 629557), (44335, 421882), (88670, 210941)]