19955656

素因数分解:

$2^3\times 7^1\times {\mathrm{356351}}^1$

素因数の和:356364

約数の個数: 16

約数和(自身を含む): 42762240

約数和(自身を除く): 22806584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 356351, 712702, 1425404, 2494457, 2850808, 4988914, 9977828, 19955656]

約数ペア:

[(1, 19955656), (2, 9977828), (4, 4988914), (7, 2850808), (8, 2494457), (14, 1425404), (28, 712702), (56, 356351)]