19725456

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3137}}^1$

素因数の和:3279

約数の個数: 40

約数和(自身を含む): 51362784

約数和(自身を除く): 31637328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3137, 3144, 6274, 6288, 9411, 12548, 18822, 25096, 37644, 50192, 75288, 150576, 410947, 821894, 1232841, 1643788, 2465682, 3287576, 4931364, 6575152, 9862728, 19725456]

約数ペア:

[(1, 19725456), (2, 9862728), (3, 6575152), (4, 4931364), (6, 3287576), (8, 2465682), (12, 1643788), (16, 1232841), (24, 821894), (48, 410947), (131, 150576), (262, 75288), (393, 50192), (524, 37644), (786, 25096), (1048, 18822), (1572, 12548), (2096, 9411), (3137, 6288), (3144, 6274)]