19928452

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 36351000

約数和(自身を除く): 16422548

約数列:

[1, 2, 4, 29, 58, 116, 149, 298, 596, 1153, 2306, 4321, 4612, 8642, 17284, 33437, 66874, 133748, 171797, 343594, 687188, 4982113, 9964226, 19928452]

約数ペア:

[(1, 19928452), (2, 9964226), (4, 4982113), (29, 687188), (58, 343594), (116, 171797), (149, 133748), (298, 66874), (596, 33437), (1153, 17284), (2306, 8642), (4321, 4612)]