19904837

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 21596160

約数和(自身を除く): 1691323

約数列:

[1, 19, 73, 113, 127, 1387, 2147, 2413, 8249, 9271, 14351, 156731, 176149, 272669, 1047623, 19904837]

約数ペア:

[(1, 19904837), (19, 1047623), (73, 272669), (113, 176149), (127, 156731), (1387, 14351), (2147, 9271), (2413, 8249)]