19969872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32003}}^1$

素因数の和:32027

約数の個数: 40

約数和(自身を含む): 55558944

約数和(自身を除く): 35589072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32003, 64006, 96009, 128012, 192018, 256024, 384036, 416039, 512048, 768072, 832078, 1248117, 1536144, 1664156, 2496234, 3328312, 4992468, 6656624, 9984936, 19969872]

約数ペア:

[(1, 19969872), (2, 9984936), (3, 6656624), (4, 4992468), (6, 3328312), (8, 2496234), (12, 1664156), (13, 1536144), (16, 1248117), (24, 832078), (26, 768072), (39, 512048), (48, 416039), (52, 384036), (78, 256024), (104, 192018), (156, 128012), (208, 96009), (312, 64006), (624, 32003)]