19874520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55207}}^1$

素因数の和:55224

約数の個数: 48

約数和(自身を含む): 64593360

約数和(自身を除く): 44718840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55207, 110414, 165621, 220828, 276035, 331242, 441656, 496863, 552070, 662484, 828105, 993726, 1104140, 1324968, 1656210, 1987452, 2208280, 2484315, 3312420, 3974904, 4968630, 6624840, 9937260, 19874520]

約数ペア:

[(1, 19874520), (2, 9937260), (3, 6624840), (4, 4968630), (5, 3974904), (6, 3312420), (8, 2484315), (9, 2208280), (10, 1987452), (12, 1656210), (15, 1324968), (18, 1104140), (20, 993726), (24, 828105), (30, 662484), (36, 552070), (40, 496863), (45, 441656), (60, 331242), (72, 276035), (90, 220828), (120, 165621), (180, 110414), (360, 55207)]