19928113492

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2977901}}^1$

素因数の和:2978151

約数の個数: 24

約数和(自身を含む): 40023002880

約数和(自身を除く): 20094889388

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 2977901, 5955802, 11911604, 20845307, 41690614, 83381228, 711718339, 1423436678, 2846873356, 4982028373, 9964056746, 19928113492]

約数ペア:

[(1, 19928113492), (2, 9964056746), (4, 4982028373), (7, 2846873356), (14, 1423436678), (28, 711718339), (239, 83381228), (478, 41690614), (956, 20845307), (1673, 11911604), (3346, 5955802), (6692, 2977901)]