18091472

素因数分解:

$2^4\times 7^1\times {\mathrm{161531}}^1$

素因数の和:161546

約数の個数: 20

約数和(自身を含む): 40059936

約数和(自身を除く): 21968464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161531, 323062, 646124, 1130717, 1292248, 2261434, 2584496, 4522868, 9045736, 18091472]

約数ペア:

[(1, 18091472), (2, 9045736), (4, 4522868), (7, 2584496), (8, 2261434), (14, 1292248), (16, 1130717), (28, 646124), (56, 323062), (112, 161531)]