19997534824

素因数分解:

$2^3\times {\mathrm{3307}}^1\times {\mathrm{755879}}^1$

素因数の和:759192

約数の個数: 16

約数和(自身を含む): 37506765600

約数和(自身を除く): 17509230776

約数列:

[1, 2, 4, 8, 3307, 6614, 13228, 26456, 755879, 1511758, 3023516, 6047032, 2499691853, 4999383706, 9998767412, 19997534824]

約数ペア:

[(1, 19997534824), (2, 9998767412), (4, 4999383706), (8, 2499691853), (3307, 6047032), (6614, 3023516), (13228, 1511758), (26456, 755879)]