19769072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39857}}^1$

素因数の和:39896

約数の個数: 20

約数和(自身を含む): 39539136

約数和(自身を除く): 19770064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39857, 79714, 159428, 318856, 637712, 1235567, 2471134, 4942268, 9884536, 19769072]

約数ペア:

[(1, 19769072), (2, 9884536), (4, 4942268), (8, 2471134), (16, 1235567), (31, 637712), (62, 318856), (124, 159428), (248, 79714), (496, 39857)]