18003940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39139}}^1$

素因数の和:39171

約数の個数: 24

約数和(自身を含む): 39453120

約数和(自身を除く): 21449180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39139, 78278, 156556, 195695, 391390, 782780, 900197, 1800394, 3600788, 4500985, 9001970, 18003940]

約数ペア:

[(1, 18003940), (2, 9001970), (4, 4500985), (5, 3600788), (10, 1800394), (20, 900197), (23, 782780), (46, 391390), (92, 195695), (115, 156556), (230, 78278), (460, 39139)]