20161842856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{272369}}^1$

素因数の和:272881

約数の個数: 32

約数和(自身を含む): 39874968000

約数和(自身を除く): 19713125144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 487, 974, 1948, 3896, 9253, 18506, 37012, 74024, 272369, 544738, 1089476, 2178952, 5175011, 10350022, 20700044, 41400088, 132643703, 265287406, 530574812, 1061149624, 2520230357, 5040460714, 10080921428, 20161842856]

約数ペア:

[(1, 20161842856), (2, 10080921428), (4, 5040460714), (8, 2520230357), (19, 1061149624), (38, 530574812), (76, 265287406), (152, 132643703), (487, 41400088), (974, 20700044), (1948, 10350022), (3896, 5175011), (9253, 2178952), (18506, 1089476), (37012, 544738), (74024, 272369)]