18715691918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{15643}}^1$

素因数の和:16137

約数の個数: 64

約数和(自身を含む): 37143111168

約数和(自身を除く): 18427419250

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 457, 914, 1309, 2618, 3199, 5027, 6398, 7769, 10054, 15538, 15643, 31286, 35189, 54383, 70378, 85459, 108766, 109501, 170918, 172073, 219002, 265931, 344146, 531862, 598213, 1196426, 1204511, 1861517, 2409022, 2925241, 3723034, 5850482, 7148851, 14297702, 20476687, 40953374, 50041957, 78637361, 100083914, 121530467, 157274722, 243060934, 550461527, 850713269, 1100923054, 1336835137, 1701426538, 2673670274, 9357845959, 18715691918]

約数ペア:

[(1, 18715691918), (2, 9357845959), (7, 2673670274), (11, 1701426538), (14, 1336835137), (17, 1100923054), (22, 850713269), (34, 550461527), (77, 243060934), (119, 157274722), (154, 121530467), (187, 100083914), (238, 78637361), (374, 50041957), (457, 40953374), (914, 20476687), (1309, 14297702), (2618, 7148851), (3199, 5850482), (5027, 3723034), (6398, 2925241), (7769, 2409022), (10054, 1861517), (15538, 1204511), (15643, 1196426), (31286, 598213), (35189, 531862), (54383, 344146), (70378, 265931), (85459, 219002), (108766, 172073), (109501, 170918)]