19884249

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4099}}^1$

素因数の和:4130

約数の個数: 36

約数和(自身を含む): 36457200

約数和(自身を除く): 16572951

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4099, 4851, 12297, 28693, 36891, 45089, 86079, 135267, 200851, 258237, 315623, 405801, 602553, 946869, 1807659, 2209361, 2840607, 6628083, 19884249]

約数ペア:

[(1, 19884249), (3, 6628083), (7, 2840607), (9, 2209361), (11, 1807659), (21, 946869), (33, 602553), (49, 405801), (63, 315623), (77, 258237), (99, 200851), (147, 135267), (231, 86079), (441, 45089), (539, 36891), (693, 28693), (1617, 12297), (4099, 4851)]