19483497

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 13381335

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 197, 243, 297, 333, 407, 591, 891, 999, 1221, 1773, 2167, 2673, 2997, 3663, 5319, 6501, 7289, 8991, 10989, 15957, 19503, 21867, 32967, 47871, 58509, 65601, 80179, 98901, 175527, 196803, 240537, 526581, 590409, 721611, 1771227, 2164833, 6494499, 19483497]

約数ペア:

[(1, 19483497), (3, 6494499), (9, 2164833), (11, 1771227), (27, 721611), (33, 590409), (37, 526581), (81, 240537), (99, 196803), (111, 175527), (197, 98901), (243, 80179), (297, 65601), (333, 58509), (407, 47871), (591, 32967), (891, 21867), (999, 19503), (1221, 15957), (1773, 10989), (2167, 8991), (2673, 7289), (2997, 6501), (3663, 5319)]