19914897387

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{5443}}^1$

素因数の和:5848

約数の個数: 64

約数和(自身を含む): 33916207104

約数和(自身を除く): 14001309717

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 337, 517, 987, 1011, 1551, 2359, 3619, 3707, 5443, 7077, 10857, 11121, 15839, 16329, 25949, 38101, 47517, 59873, 77847, 110873, 114303, 174229, 179619, 255821, 332619, 419111, 522687, 767463, 1219603, 1257333, 1790747, 1834291, 2814031, 3658809, 5372241, 5502873, 8442093, 12840037, 19698217, 20177201, 38520111, 59094651, 60531603, 86211677, 141240407, 258635031, 423721221, 603481739, 948328447, 1810445217, 2844985341, 6638299129, 19914897387]

約数ペア:

[(1, 19914897387), (3, 6638299129), (7, 2844985341), (11, 1810445217), (21, 948328447), (33, 603481739), (47, 423721221), (77, 258635031), (141, 141240407), (231, 86211677), (329, 60531603), (337, 59094651), (517, 38520111), (987, 20177201), (1011, 19698217), (1551, 12840037), (2359, 8442093), (3619, 5502873), (3707, 5372241), (5443, 3658809), (7077, 2814031), (10857, 1834291), (11121, 1790747), (15839, 1257333), (16329, 1219603), (25949, 767463), (38101, 522687), (47517, 419111), (59873, 332619), (77847, 255821), (110873, 179619), (114303, 174229)]