19811243855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{14867}}^1$

素因数の和:15000

約数の個数: 48

約数和(自身を含む): 27426107520

約数和(自身を除く): 7614863665

約数列:

[1, 5, 13, 19, 65, 83, 95, 169, 247, 415, 845, 1079, 1235, 1577, 3211, 5395, 7885, 14027, 14867, 16055, 20501, 70135, 74335, 102505, 193271, 266513, 282473, 966355, 1233961, 1332565, 1412365, 2512523, 3672149, 6169805, 12562615, 16041493, 18360745, 23445259, 47737937, 80207465, 117226295, 208539409, 238689685, 304788367, 1042697045, 1523941835, 3962248771, 19811243855]

約数ペア:

[(1, 19811243855), (5, 3962248771), (13, 1523941835), (19, 1042697045), (65, 304788367), (83, 238689685), (95, 208539409), (169, 117226295), (247, 80207465), (415, 47737937), (845, 23445259), (1079, 18360745), (1235, 16041493), (1577, 12562615), (3211, 6169805), (5395, 3672149), (7885, 2512523), (14027, 1412365), (14867, 1332565), (16055, 1233961), (20501, 966355), (70135, 282473), (74335, 266513), (102505, 193271)]