19509444

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4257

約数の個数: 48

約数和(自身を含む): 51768640

約数和(自身を除く): 32259196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4201, 4644, 8402, 12603, 16804, 25206, 37809, 50412, 75618, 113427, 151236, 180643, 226854, 361286, 453708, 541929, 722572, 1083858, 1625787, 2167716, 3251574, 4877361, 6503148, 9754722, 19509444]

約数ペア:

[(1, 19509444), (2, 9754722), (3, 6503148), (4, 4877361), (6, 3251574), (9, 2167716), (12, 1625787), (18, 1083858), (27, 722572), (36, 541929), (43, 453708), (54, 361286), (86, 226854), (108, 180643), (129, 151236), (172, 113427), (258, 75618), (387, 50412), (516, 37809), (774, 25206), (1161, 16804), (1548, 12603), (2322, 8402), (4201, 4644)]