19020680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67931}}^1$

素因数の和:67949

約数の個数: 32

約数和(自身を含む): 48911040

約数和(自身を除く): 29890360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67931, 135862, 271724, 339655, 475517, 543448, 679310, 951034, 1358620, 1902068, 2377585, 2717240, 3804136, 4755170, 9510340, 19020680]

約数ペア:

[(1, 19020680), (2, 9510340), (4, 4755170), (5, 3804136), (7, 2717240), (8, 2377585), (10, 1902068), (14, 1358620), (20, 951034), (28, 679310), (35, 543448), (40, 475517), (56, 339655), (70, 271724), (140, 135862), (280, 67931)]