19802776

素因数分解:

$2^3\times 7^1\times {\mathrm{353621}}^1$

素因数の和:353634

約数の個数: 16

約数和(自身を含む): 42434640

約数和(自身を除く): 22631864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353621, 707242, 1414484, 2475347, 2828968, 4950694, 9901388, 19802776]

約数ペア:

[(1, 19802776), (2, 9901388), (4, 4950694), (7, 2828968), (8, 2475347), (14, 1414484), (28, 707242), (56, 353621)]