19914540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331909}}^1$

素因数の和:331921

約数の個数: 24

約数和(自身を含む): 55760880

約数和(自身を除く): 35846340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331909, 663818, 995727, 1327636, 1659545, 1991454, 3319090, 3982908, 4978635, 6638180, 9957270, 19914540]

約数ペア:

[(1, 19914540), (2, 9957270), (3, 6638180), (4, 4978635), (5, 3982908), (6, 3319090), (10, 1991454), (12, 1659545), (15, 1327636), (20, 995727), (30, 663818), (60, 331909)]