18543380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19727}}^1$

素因数の和:19783

約数の個数: 24

約数和(自身を含む): 39771648

約数和(自身を除く): 21228268

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19727, 39454, 78908, 98635, 197270, 394540, 927169, 1854338, 3708676, 4635845, 9271690, 18543380]

約数ペア:

[(1, 18543380), (2, 9271690), (4, 4635845), (5, 3708676), (10, 1854338), (20, 927169), (47, 394540), (94, 197270), (188, 98635), (235, 78908), (470, 39454), (940, 19727)]