19865048

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11443}}^1$

素因数の和:11487

約数の個数: 32

約数和(自身を含む): 43944960

約数和(自身を除く): 24079912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11443, 22886, 45772, 80101, 91544, 160202, 320404, 354733, 640808, 709466, 1418932, 2483131, 2837864, 4966262, 9932524, 19865048]

約数ペア:

[(1, 19865048), (2, 9932524), (4, 4966262), (7, 2837864), (8, 2483131), (14, 1418932), (28, 709466), (31, 640808), (56, 354733), (62, 320404), (124, 160202), (217, 91544), (248, 80101), (434, 45772), (868, 22886), (1736, 11443)]