19208529.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3469}}^1$

素因数の和:3932

約数の個数: 64

約数和(自身を含む): 562140000

約数和(自身を除く): 375230280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 898, 1347, 1796, 2245, 2694, 3469, 3592, 4490, 5388, 6735, 6938, 8980, 10407, 10776, 13470, 13876, 17345, 17960, 20814, 26940, 27752, 34690, 41628, 52035, 53880, 69380, 83256, 104070, 138760, 208140, 416280, 1557581, 3115162, 4672743, 6230324, 7787905, 9345486, 12460648, 15575810, 18690972, 23363715, 31151620, 37381944, 46727430, 62303240, 93454860, 186909720]

約数ペア:

[(1, 186909720), (2, 93454860), (3, 62303240), (4, 46727430), (5, 37381944), (6, 31151620), (8, 23363715), (10, 18690972), (12, 15575810), (15, 12460648), (20, 9345486), (24, 7787905), (30, 6230324), (40, 4672743), (60, 3115162), (120, 1557581), (449, 416280), (898, 208140), (1347, 138760), (1796, 104070), (2245, 83256), (2694, 69380), (3469, 53880), (3592, 52035), (4490, 41628), (5388, 34690), (6735, 27752), (6938, 26940), (8980, 20814), (10407, 17960), (10776, 17345), (13470, 13876)]