19407869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 21686448

約数和(自身を除く): 2278579

約数列:

[1, 13, 37, 157, 257, 481, 2041, 3341, 5809, 9509, 40349, 75517, 123617, 524537, 1492913, 19407869]

約数ペア:

[(1, 19407869), (13, 1492913), (37, 524537), (157, 123617), (257, 75517), (481, 40349), (2041, 9509), (3341, 5809)]