19256816

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16487}}^1$

素因数の和:16568

約数の個数: 20

約数和(自身を含む): 37823472

約数和(自身を除く): 18566656

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16487, 32974, 65948, 131896, 263792, 1203551, 2407102, 4814204, 9628408, 19256816]

約数ペア:

[(1, 19256816), (2, 9628408), (4, 4814204), (8, 2407102), (16, 1203551), (73, 263792), (146, 131896), (292, 65948), (584, 32974), (1168, 16487)]