19645483

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 24514560

約数和(自身を除く): 4869077

約数列:

[1, 11, 13, 37, 47, 79, 143, 407, 481, 517, 611, 869, 1027, 1739, 2923, 3713, 5291, 6721, 11297, 19129, 22607, 32153, 37999, 40843, 48269, 137381, 248677, 417989, 530959, 1511191, 1785953, 19645483]

約数ペア:

[(1, 19645483), (11, 1785953), (13, 1511191), (37, 530959), (47, 417989), (79, 248677), (143, 137381), (407, 48269), (481, 40843), (517, 37999), (611, 32153), (869, 22607), (1027, 19129), (1739, 11297), (2923, 6721), (3713, 5291)]