19877954

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6247}}^1$

素因数の和:6329

約数の個数: 16

約数和(自身を含む): 31339968

約数和(自身を除く): 11462014

約数列:

[1, 2, 37, 43, 74, 86, 1591, 3182, 6247, 12494, 231139, 268621, 462278, 537242, 9938977, 19877954]

約数ペア:

[(1, 19877954), (2, 9938977), (37, 537242), (43, 462278), (74, 268621), (86, 231139), (1591, 12494), (3182, 6247)]