19800216

素因数分解:

$2^3\times 3^2\times {\mathrm{275003}}^1$

素因数の和:275015

約数の個数: 24

約数和(自身を含む): 53625780

約数和(自身を除く): 33825564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 275003, 550006, 825009, 1100012, 1650018, 2200024, 2475027, 3300036, 4950054, 6600072, 9900108, 19800216]

約数ペア:

[(1, 19800216), (2, 9900108), (3, 6600072), (4, 4950054), (6, 3300036), (8, 2475027), (9, 2200024), (12, 1650018), (18, 1100012), (24, 825009), (36, 550006), (72, 275003)]