19891252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3313}}^1$

素因数の和:3415

約数の個数: 24

約数和(自身を含む): 37116800

約数和(自身を除く): 17225548

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3313, 6004, 6626, 13252, 62947, 125894, 251788, 261727, 523454, 1046908, 4972813, 9945626, 19891252]

約数ペア:

[(1, 19891252), (2, 9945626), (4, 4972813), (19, 1046908), (38, 523454), (76, 261727), (79, 251788), (158, 125894), (316, 62947), (1501, 13252), (3002, 6626), (3313, 6004)]