18378380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39953}}^1$

素因数の和:39985

約数の個数: 24

約数和(自身を含む): 40273632

約数和(自身を除く): 21895252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39953, 79906, 159812, 199765, 399530, 799060, 918919, 1837838, 3675676, 4594595, 9189190, 18378380]

約数ペア:

[(1, 18378380), (2, 9189190), (4, 4594595), (5, 3675676), (10, 1837838), (20, 918919), (23, 799060), (46, 399530), (92, 199765), (115, 159812), (230, 79906), (460, 39953)]