19646216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 38215800

約数和(自身を除く): 18569584

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 673, 712, 1346, 2692, 3649, 5384, 7298, 14596, 27593, 29192, 55186, 59897, 110372, 119794, 220744, 239588, 479176, 2455777, 4911554, 9823108, 19646216]

約数ペア:

[(1, 19646216), (2, 9823108), (4, 4911554), (8, 2455777), (41, 479176), (82, 239588), (89, 220744), (164, 119794), (178, 110372), (328, 59897), (356, 55186), (673, 29192), (712, 27593), (1346, 14596), (2692, 7298), (3649, 5384)]