19490198294

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1\times {\mathrm{907}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 35090350080

約数和(自身を除く): 15600151786

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 434, 469, 739, 907, 938, 1478, 1814, 2077, 4154, 5173, 6349, 10346, 12698, 14539, 22909, 28117, 29078, 45818, 49513, 56234, 60769, 99026, 121538, 160363, 196819, 320726, 346591, 393638, 425383, 670273, 693182, 850766, 1340546, 1534903, 1883839, 3069806, 3767678, 4691911, 9383822, 10744321, 13186873, 20778463, 21488642, 26373746, 41556926, 44908291, 89816582, 145449241, 290898482, 314358037, 628716074, 1392157021, 2784314042, 9745099147, 19490198294]

約数ペア:

[(1, 19490198294), (2, 9745099147), (7, 2784314042), (14, 1392157021), (31, 628716074), (62, 314358037), (67, 290898482), (134, 145449241), (217, 89816582), (434, 44908291), (469, 41556926), (739, 26373746), (907, 21488642), (938, 20778463), (1478, 13186873), (1814, 10744321), (2077, 9383822), (4154, 4691911), (5173, 3767678), (6349, 3069806), (10346, 1883839), (12698, 1534903), (14539, 1340546), (22909, 850766), (28117, 693182), (29078, 670273), (45818, 425383), (49513, 393638), (56234, 346591), (60769, 320726), (99026, 196819), (121538, 160363)]