19278990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{214211}}^1$

素因数の和:214224

約数の個数: 24

約数和(自身を含む): 50125608

約数和(自身を除く): 30846618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 214211, 428422, 642633, 1071055, 1285266, 1927899, 2142110, 3213165, 3855798, 6426330, 9639495, 19278990]

約数ペア:

[(1, 19278990), (2, 9639495), (3, 6426330), (5, 3855798), (6, 3213165), (9, 2142110), (10, 1927899), (15, 1285266), (18, 1071055), (30, 642633), (45, 428422), (90, 214211)]