19862007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16267}}^1$

素因数の和:16318

約数の個数: 16

約数和(自身を含む): 29672832

約数和(自身を除く): 9810825

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16267, 48801, 178937, 536811, 601879, 1805637, 6620669, 19862007]

約数ペア:

[(1, 19862007), (3, 6620669), (11, 1805637), (33, 601879), (37, 536811), (111, 178937), (407, 48801), (1221, 16267)]