1920149765

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 2428987392

約数和(自身を除く): 508837627

約数列:

[1, 5, 31, 61, 155, 305, 311, 653, 1555, 1891, 3265, 9455, 9641, 18971, 20243, 39833, 48205, 94855, 101215, 199165, 203083, 588101, 1015415, 1234823, 2940505, 6174115, 6295573, 12388063, 31477865, 61940315, 384029953, 1920149765]

約数ペア:

[(1, 1920149765), (5, 384029953), (31, 61940315), (61, 31477865), (155, 12388063), (305, 6295573), (311, 6174115), (653, 2940505), (1555, 1234823), (1891, 1015415), (3265, 588101), (9455, 203083), (9641, 199165), (18971, 101215), (20243, 94855), (39833, 48205)]