19420890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647363}}^1$

素因数の和:647373

約数の個数: 16

約数和(自身を含む): 46610208

約数和(自身を除く): 27189318

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647363, 1294726, 1942089, 3236815, 3884178, 6473630, 9710445, 19420890]

約数ペア:

[(1, 19420890), (2, 9710445), (3, 6473630), (5, 3884178), (6, 3236815), (10, 1942089), (15, 1294726), (30, 647363)]