19787724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 55194048

約数和(自身を除く): 35406324

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 132, 198, 214, 321, 396, 428, 467, 642, 934, 963, 1177, 1284, 1401, 1868, 1926, 2354, 2802, 3531, 3852, 4203, 4708, 5137, 5604, 7062, 8406, 10274, 10593, 14124, 15411, 16812, 20548, 21186, 30822, 42372, 46233, 49969, 61644, 92466, 99938, 149907, 184932, 199876, 299814, 449721, 549659, 599628, 899442, 1099318, 1648977, 1798884, 2198636, 3297954, 4946931, 6595908, 9893862, 19787724]

約数ペア:

[(1, 19787724), (2, 9893862), (3, 6595908), (4, 4946931), (6, 3297954), (9, 2198636), (11, 1798884), (12, 1648977), (18, 1099318), (22, 899442), (33, 599628), (36, 549659), (44, 449721), (66, 299814), (99, 199876), (107, 184932), (132, 149907), (198, 99938), (214, 92466), (321, 61644), (396, 49969), (428, 46233), (467, 42372), (642, 30822), (934, 21186), (963, 20548), (1177, 16812), (1284, 15411), (1401, 14124), (1868, 10593), (1926, 10274), (2354, 8406), (2802, 7062), (3531, 5604), (3852, 5137), (4203, 4708)]