19770768

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{547}}^1$

素因数の和:812

約数の個数: 60

約数和(自身を含む): 55652688

約数和(自身を除く): 35881920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 547, 753, 1004, 1094, 1506, 1641, 2008, 2188, 2259, 3012, 3282, 4016, 4376, 4518, 4923, 6024, 6564, 8752, 9036, 9846, 12048, 13128, 18072, 19692, 26256, 36144, 39384, 78768, 137297, 274594, 411891, 549188, 823782, 1098376, 1235673, 1647564, 2196752, 2471346, 3295128, 4942692, 6590256, 9885384, 19770768]

約数ペア:

[(1, 19770768), (2, 9885384), (3, 6590256), (4, 4942692), (6, 3295128), (8, 2471346), (9, 2196752), (12, 1647564), (16, 1235673), (18, 1098376), (24, 823782), (36, 549188), (48, 411891), (72, 274594), (144, 137297), (251, 78768), (502, 39384), (547, 36144), (753, 26256), (1004, 19692), (1094, 18072), (1506, 13128), (1641, 12048), (2008, 9846), (2188, 9036), (2259, 8752), (3012, 6564), (3282, 6024), (4016, 4923), (4376, 4518)]