19081328

素因数分解:

$2^4\times 7^1\times {\mathrm{170369}}^1$

素因数の和:170384

約数の個数: 20

約数和(自身を含む): 42251760

約数和(自身を除く): 23170432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 170369, 340738, 681476, 1192583, 1362952, 2385166, 2725904, 4770332, 9540664, 19081328]

約数ペア:

[(1, 19081328), (2, 9540664), (4, 4770332), (7, 2725904), (8, 2385166), (14, 1362952), (16, 1192583), (28, 681476), (56, 340738), (112, 170369)]