19388937

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 26516160

約数和(自身を除く): 7127223

約数列:

[1, 3, 53, 159, 197, 591, 619, 1857, 10441, 31323, 32807, 98421, 121943, 365829, 6462979, 19388937]

約数ペア:

[(1, 19388937), (3, 6462979), (53, 365829), (159, 121943), (197, 98421), (591, 32807), (619, 31323), (1857, 10441)]