19772601

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 27081600

約数和(自身を除く): 7308999

約数列:

[1, 3, 61, 103, 183, 309, 1049, 3147, 6283, 18849, 63989, 108047, 191967, 324141, 6590867, 19772601]

約数ペア:

[(1, 19772601), (3, 6590867), (61, 324141), (103, 191967), (183, 108047), (309, 63989), (1049, 18849), (3147, 6283)]