19705411

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 22768128

約数和(自身を除く): 3062717

約数列:

[1, 11, 23, 71, 253, 781, 1097, 1633, 12067, 17963, 25231, 77887, 277541, 856757, 1791401, 19705411]

約数ペア:

[(1, 19705411), (11, 1791401), (23, 856757), (71, 277541), (253, 77887), (781, 25231), (1097, 17963), (1633, 12067)]