2019018904

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{838463}}^1$

素因数の和:838519

約数の個数: 32

約数和(自身を含む): 4427089920

約数和(自身を除く): 2408071016

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 838463, 1676926, 3353852, 5869241, 6707704, 11738482, 23476964, 36053909, 46953928, 72107818, 144215636, 252377363, 288431272, 504754726, 1009509452, 2019018904]

約数ペア:

[(1, 2019018904), (2, 1009509452), (4, 504754726), (7, 288431272), (8, 252377363), (14, 144215636), (28, 72107818), (43, 46953928), (56, 36053909), (86, 23476964), (172, 11738482), (301, 6707704), (344, 5869241), (602, 3353852), (1204, 1676926), (2408, 838463)]