19403421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1571}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 27164160

約数和(自身を除く): 7760739

約数列:

[1, 3, 23, 69, 179, 537, 1571, 4117, 4713, 12351, 36133, 108399, 281209, 843627, 6467807, 19403421]

約数ペア:

[(1, 19403421), (3, 6467807), (23, 843627), (69, 281209), (179, 108399), (537, 36133), (1571, 12351), (4117, 4713)]