19473453

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5591}}^1$

素因数の和:5646

約数の個数: 20

約数和(自身を含む): 29771808

約数和(自身を除く): 10298355

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5591, 16773, 50319, 150957, 240413, 452871, 721239, 2163717, 6491151, 19473453]

約数ペア:

[(1, 19473453), (3, 6491151), (9, 2163717), (27, 721239), (43, 452871), (81, 240413), (129, 150957), (387, 50319), (1161, 16773), (3483, 5591)]