19927232

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 56

約数和(自身を含む): 43653456

約数和(自身を除く): 23726224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 557, 559, 688, 832, 1114, 1118, 1376, 2228, 2236, 2752, 4456, 4472, 7241, 8912, 8944, 14482, 17824, 17888, 23951, 28964, 35648, 35776, 47902, 57928, 95804, 115856, 191608, 231712, 311363, 383216, 463424, 622726, 766432, 1245452, 1532864, 2490904, 4981808, 9963616, 19927232]

約数ペア:

[(1, 19927232), (2, 9963616), (4, 4981808), (8, 2490904), (13, 1532864), (16, 1245452), (26, 766432), (32, 622726), (43, 463424), (52, 383216), (64, 311363), (86, 231712), (104, 191608), (172, 115856), (208, 95804), (344, 57928), (416, 47902), (557, 35776), (559, 35648), (688, 28964), (832, 23951), (1114, 17888), (1118, 17824), (1376, 14482), (2228, 8944), (2236, 8912), (2752, 7241), (4456, 4472)]