18921000964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1390841}}^1$

素因数の和:1391043

約数の個数: 24

約数和(自身を含む): 35049218400

約数和(自身を除く): 16128217436

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 3401, 6802, 13604, 1390841, 2781682, 5563364, 26425979, 52851958, 105703916, 248960539, 497921078, 995842156, 4730250241, 9460500482, 18921000964]

約数ペア:

[(1, 18921000964), (2, 9460500482), (4, 4730250241), (19, 995842156), (38, 497921078), (76, 248960539), (179, 105703916), (358, 52851958), (716, 26425979), (3401, 5563364), (6802, 2781682), (13604, 1390841)]