19999824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32051}}^1$

素因数の和:32075

約数の個数: 40

約数和(自身を含む): 55642272

約数和(自身を除く): 35642448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32051, 64102, 96153, 128204, 192306, 256408, 384612, 416663, 512816, 769224, 833326, 1249989, 1538448, 1666652, 2499978, 3333304, 4999956, 6666608, 9999912, 19999824]

約数ペア:

[(1, 19999824), (2, 9999912), (3, 6666608), (4, 4999956), (6, 3333304), (8, 2499978), (12, 1666652), (13, 1538448), (16, 1249989), (24, 833326), (26, 769224), (39, 512816), (48, 416663), (52, 384612), (78, 256408), (104, 192306), (156, 128204), (208, 96153), (312, 64102), (624, 32051)]