19908216

素因数分解:

$2^3\times 3^2\times {\mathrm{276503}}^1$

素因数の和:276515

約数の個数: 24

約数和(自身を含む): 53918280

約数和(自身を除く): 34010064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276503, 553006, 829509, 1106012, 1659018, 2212024, 2488527, 3318036, 4977054, 6636072, 9954108, 19908216]

約数ペア:

[(1, 19908216), (2, 9954108), (3, 6636072), (4, 4977054), (6, 3318036), (8, 2488527), (9, 2212024), (12, 1659018), (18, 1106012), (24, 829509), (36, 553006), (72, 276503)]