19851601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{911}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 24864768

約数和(自身を除く): 5013167

約数列:

[1, 7, 11, 77, 283, 911, 1981, 3113, 6377, 10021, 21791, 70147, 257813, 1804691, 2835943, 19851601]

約数ペア:

[(1, 19851601), (7, 2835943), (11, 1804691), (77, 257813), (283, 70147), (911, 21791), (1981, 10021), (3113, 6377)]