19218180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320303}}^1$

素因数の和:320315

約数の個数: 24

約数和(自身を含む): 53811072

約数和(自身を除く): 34592892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320303, 640606, 960909, 1281212, 1601515, 1921818, 3203030, 3843636, 4804545, 6406060, 9609090, 19218180]

約数ペア:

[(1, 19218180), (2, 9609090), (3, 6406060), (4, 4804545), (5, 3843636), (6, 3203030), (10, 1921818), (12, 1601515), (15, 1281212), (20, 960909), (30, 640606), (60, 320303)]