19902093

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1444

約数の個数: 16

約数和(自身を含む): 27572736

約数和(自身を除く): 7670643

約数列:

[1, 3, 31, 93, 173, 519, 1237, 3711, 5363, 16089, 38347, 115041, 214001, 642003, 6634031, 19902093]

約数ペア:

[(1, 19902093), (3, 6634031), (31, 642003), (93, 214001), (173, 115041), (519, 38347), (1237, 16089), (3711, 5363)]