19940144

素因数分解:

$2^4\times 7^1\times {\mathrm{178037}}^1$

素因数の和:178052

約数の個数: 20

約数和(自身を含む): 44153424

約数和(自身を除く): 24213280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178037, 356074, 712148, 1246259, 1424296, 2492518, 2848592, 4985036, 9970072, 19940144]

約数ペア:

[(1, 19940144), (2, 9970072), (4, 4985036), (7, 2848592), (8, 2492518), (14, 1424296), (16, 1246259), (28, 712148), (56, 356074), (112, 178037)]