19856397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11353}}^1$

素因数の和:11420

約数の個数: 16

約数和(自身を含む): 29429568

約数和(自身を除く): 9573171

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11353, 34059, 124883, 374649, 601709, 1805127, 6618799, 19856397]

約数ペア:

[(1, 19856397), (3, 6618799), (11, 1805127), (33, 601709), (53, 374649), (159, 124883), (583, 34059), (1749, 11353)]