18846513

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 32966208

約数和(自身を除く): 14119695

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 773, 903, 1161, 2319, 2709, 3483, 5411, 6957, 8127, 16233, 20871, 24381, 33239, 48699, 62613, 99717, 146097, 232673, 299151, 438291, 698019, 897453, 2094057, 2692359, 6282171, 18846513]

約数ペア:

[(1, 18846513), (3, 6282171), (7, 2692359), (9, 2094057), (21, 897453), (27, 698019), (43, 438291), (63, 299151), (81, 232673), (129, 146097), (189, 99717), (301, 62613), (387, 48699), (567, 33239), (773, 24381), (903, 20871), (1161, 16233), (2319, 8127), (2709, 6957), (3483, 5411)]