19805252

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 35695296

約数和(自身を除く): 15890044

約数列:

[1, 2, 4, 53, 103, 106, 206, 212, 412, 907, 1814, 3628, 5459, 10918, 21836, 48071, 93421, 96142, 186842, 192284, 373684, 4951313, 9902626, 19805252]

約数ペア:

[(1, 19805252), (2, 9902626), (4, 4951313), (53, 373684), (103, 192284), (106, 186842), (206, 96142), (212, 93421), (412, 48071), (907, 21836), (1814, 10918), (3628, 5459)]