19268361

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 40

約数和(自身を含む): 34848000

約数和(自身を除く): 15579639

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 1999, 3213, 5997, 9639, 13993, 17991, 33983, 41979, 53973, 101949, 125937, 161919, 237881, 305847, 377811, 713643, 917541, 1133433, 2140929, 2752623, 6422787, 19268361]

約数ペア:

[(1, 19268361), (3, 6422787), (7, 2752623), (9, 2140929), (17, 1133433), (21, 917541), (27, 713643), (51, 377811), (63, 305847), (81, 237881), (119, 161919), (153, 125937), (189, 101949), (357, 53973), (459, 41979), (567, 33983), (1071, 17991), (1377, 13993), (1999, 9639), (3213, 5997)]