19972428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{237767}}^1$

素因数の和:237781

約数の個数: 24

約数和(自身を含む): 53260032

約数和(自身を除く): 33287604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 237767, 475534, 713301, 951068, 1426602, 1664369, 2853204, 3328738, 4993107, 6657476, 9986214, 19972428]

約数ペア:

[(1, 19972428), (2, 9986214), (3, 6657476), (4, 4993107), (6, 3328738), (7, 2853204), (12, 1664369), (14, 1426602), (21, 951068), (28, 713301), (42, 475534), (84, 237767)]