19383111

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 33516000

約数和(自身を除く): 14132889

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 121, 153, 187, 297, 349, 363, 459, 561, 1047, 1089, 1683, 2057, 3141, 3267, 3839, 5049, 5933, 6171, 9423, 11517, 17799, 18513, 34551, 42229, 53397, 55539, 65263, 103653, 126687, 160191, 195789, 380061, 587367, 717893, 1140183, 1762101, 2153679, 6461037, 19383111]

約数ペア:

[(1, 19383111), (3, 6461037), (9, 2153679), (11, 1762101), (17, 1140183), (27, 717893), (33, 587367), (51, 380061), (99, 195789), (121, 160191), (153, 126687), (187, 103653), (297, 65263), (349, 55539), (363, 53397), (459, 42229), (561, 34551), (1047, 18513), (1089, 17799), (1683, 11517), (2057, 9423), (3141, 6171), (3267, 5933), (3839, 5049)]