18854554012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{179903}}^1$

素因数の和:180130

約数の個数: 48

約数和(自身を含む): 39895511040

約数和(自身を除く): 21040957028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 197, 266, 394, 532, 788, 1379, 2758, 3743, 5516, 7486, 14972, 26201, 52402, 104804, 179903, 359806, 719612, 1259321, 2518642, 3418157, 5037284, 6836314, 13672628, 23927099, 35440891, 47854198, 70881782, 95708396, 141763564, 248086237, 496172474, 673376929, 992344948, 1346753858, 2693507716, 4713638503, 9427277006, 18854554012]

約数ペア:

[(1, 18854554012), (2, 9427277006), (4, 4713638503), (7, 2693507716), (14, 1346753858), (19, 992344948), (28, 673376929), (38, 496172474), (76, 248086237), (133, 141763564), (197, 95708396), (266, 70881782), (394, 47854198), (532, 35440891), (788, 23927099), (1379, 13672628), (2758, 6836314), (3743, 5037284), (5516, 3418157), (7486, 2518642), (14972, 1259321), (26201, 719612), (52402, 359806), (104804, 179903)]