19752544

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25153856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 809, 872, 1526, 1618, 1744, 3052, 3236, 3488, 5663, 6104, 6472, 11326, 12208, 12944, 22652, 24416, 25888, 45304, 88181, 90608, 176362, 181216, 352724, 617267, 705448, 1234534, 1410896, 2469068, 2821792, 4938136, 9876272, 19752544]

約数ペア:

[(1, 19752544), (2, 9876272), (4, 4938136), (7, 2821792), (8, 2469068), (14, 1410896), (16, 1234534), (28, 705448), (32, 617267), (56, 352724), (109, 181216), (112, 176362), (218, 90608), (224, 88181), (436, 45304), (763, 25888), (809, 24416), (872, 22652), (1526, 12944), (1618, 12208), (1744, 11326), (3052, 6472), (3236, 6104), (3488, 5663)]