2019988864

素因数分解:

$2^7\times {\mathrm{809}}^1\times {\mathrm{19507}}^1$

素因数の和:20330

約数の個数: 32

約数和(自身を含む): 4029377400

約数和(自身を除く): 2009388536

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 809, 1618, 3236, 6472, 12944, 19507, 25888, 39014, 51776, 78028, 103552, 156056, 312112, 624224, 1248448, 2496896, 15781163, 31562326, 63124652, 126249304, 252498608, 504997216, 1009994432, 2019988864]

約数ペア:

[(1, 2019988864), (2, 1009994432), (4, 504997216), (8, 252498608), (16, 126249304), (32, 63124652), (64, 31562326), (128, 15781163), (809, 2496896), (1618, 1248448), (3236, 624224), (6472, 312112), (12944, 156056), (19507, 103552), (25888, 78028), (39014, 51776)]