19311243

素因数分解:

$3^1\times 7^5\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 30117888

約数和(自身を除く): 10806645

約数列:

[1, 3, 7, 21, 49, 147, 343, 383, 1029, 1149, 2401, 2681, 7203, 8043, 16807, 18767, 50421, 56301, 131369, 394107, 919583, 2758749, 6437081, 19311243]

約数ペア:

[(1, 19311243), (3, 6437081), (7, 2758749), (21, 919583), (49, 394107), (147, 131369), (343, 56301), (383, 50421), (1029, 18767), (1149, 16807), (2401, 8043), (2681, 7203)]