1997941904

素因数分解:

$2^4\times 7^1\times {\mathrm{17838767}}^1$

素因数の和:17838782

約数の個数: 20

約数和(自身を含む): 4424014464

約数和(自身を除く): 2426072560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17838767, 35677534, 71355068, 124871369, 142710136, 249742738, 285420272, 499485476, 998970952, 1997941904]

約数ペア:

[(1, 1997941904), (2, 998970952), (4, 499485476), (7, 285420272), (8, 249742738), (14, 142710136), (16, 124871369), (28, 71355068), (56, 35677534), (112, 17838767)]