19201941

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:983

約数の個数: 40

約数和(自身を含む): 32687424

約数和(自身を除く): 13485483

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 891, 937, 1863, 2277, 2811, 6831, 8433, 10307, 20493, 21551, 25299, 30921, 64653, 75897, 92763, 193959, 237061, 278289, 581877, 711183, 834867, 1745631, 2133549, 6400647, 19201941]

約数ペア:

[(1, 19201941), (3, 6400647), (9, 2133549), (11, 1745631), (23, 834867), (27, 711183), (33, 581877), (69, 278289), (81, 237061), (99, 193959), (207, 92763), (253, 75897), (297, 64653), (621, 30921), (759, 25299), (891, 21551), (937, 20493), (1863, 10307), (2277, 8433), (2811, 6831)]