19428180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323803}}^1$

素因数の和:323815

約数の個数: 24

約数和(自身を含む): 54399072

約数和(自身を除く): 34970892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323803, 647606, 971409, 1295212, 1619015, 1942818, 3238030, 3885636, 4857045, 6476060, 9714090, 19428180]

約数ペア:

[(1, 19428180), (2, 9714090), (3, 6476060), (4, 4857045), (5, 3885636), (6, 3238030), (10, 1942818), (12, 1619015), (15, 1295212), (20, 971409), (30, 647606), (60, 323803)]