18440044940

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{465893}}^1$

素因数の和:467881

約数の個数: 24

約数和(自身を含む): 38743745040

約数和(自身を除く): 20303700100

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 19790, 39580, 465893, 931786, 1863572, 2329465, 4658930, 9317860, 922002247, 1844004494, 3688008988, 4610011235, 9220022470, 18440044940]

約数ペア:

[(1, 18440044940), (2, 9220022470), (4, 4610011235), (5, 3688008988), (10, 1844004494), (20, 922002247), (1979, 9317860), (3958, 4658930), (7916, 2329465), (9895, 1863572), (19790, 931786), (39580, 465893)]