20181978178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1\times {\mathrm{4919}}^1$

素因数の和:5634

約数の個数: 32

約数和(自身を含む): 31626547200

約数和(自身を除く): 11444569022

約数列:

[1, 2, 29, 58, 127, 254, 557, 1114, 3683, 4919, 7366, 9838, 16153, 32306, 70739, 141478, 142651, 285302, 624713, 1249426, 2051431, 2739883, 4102862, 5479766, 18116677, 36233354, 79456607, 158913214, 347965141, 695930282, 10090989089, 20181978178]

約数ペア:

[(1, 20181978178), (2, 10090989089), (29, 695930282), (58, 347965141), (127, 158913214), (254, 79456607), (557, 36233354), (1114, 18116677), (3683, 5479766), (4919, 4102862), (7366, 2739883), (9838, 2051431), (16153, 1249426), (32306, 624713), (70739, 285302), (141478, 142651)]