1980049612462

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{2540173}}^1$

素因数の和:2540548

約数の個数: 32

約数和(自身を含む): 3180501061920

約数和(自身を除く): 1200451449458

約数列:

[1, 2, 19, 38, 73, 146, 281, 562, 1387, 2774, 5339, 10678, 20513, 41026, 389747, 779494, 2540173, 5080346, 48263287, 96526574, 185432629, 370865258, 713788613, 1427577226, 3523219951, 7046439902, 13561983647, 27123967294, 52106568749, 104213137498, 990024806231, 1980049612462]

約数ペア:

[(1, 1980049612462), (2, 990024806231), (19, 104213137498), (38, 52106568749), (73, 27123967294), (146, 13561983647), (281, 7046439902), (562, 3523219951), (1387, 1427577226), (2774, 713788613), (5339, 370865258), (10678, 185432629), (20513, 96526574), (41026, 48263287), (389747, 5080346), (779494, 2540173)]