19269987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4201}}^1$

素因数の和:4354

約数の個数: 16

約数和(自身を含む): 28237440

約数和(自身を除く): 8967453

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4201, 4587, 12603, 46211, 138633, 583939, 1751817, 6423329, 19269987]

約数ペア:

[(1, 19269987), (3, 6423329), (11, 1751817), (33, 583939), (139, 138633), (417, 46211), (1529, 12603), (4201, 4587)]