18232263

素因数分解:

$3^3\times 7^2\times {\mathrm{13781}}^1$

素因数の和:13804

約数の個数: 24

約数和(自身を含む): 31422960

約数和(自身を除く): 13190697

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13781, 41343, 96467, 124029, 289401, 372087, 675269, 868203, 2025807, 2604609, 6077421, 18232263]

約数ペア:

[(1, 18232263), (3, 6077421), (7, 2604609), (9, 2025807), (21, 868203), (27, 675269), (49, 372087), (63, 289401), (147, 124029), (189, 96467), (441, 41343), (1323, 13781)]