19267640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68813}}^1$

素因数の和:68831

約数の個数: 32

約数和(自身を含む): 49546080

約数和(自身を除く): 30278440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68813, 137626, 275252, 344065, 481691, 550504, 688130, 963382, 1376260, 1926764, 2408455, 2752520, 3853528, 4816910, 9633820, 19267640]

約数ペア:

[(1, 19267640), (2, 9633820), (4, 4816910), (5, 3853528), (7, 2752520), (8, 2408455), (10, 1926764), (14, 1376260), (20, 963382), (28, 688130), (35, 550504), (40, 481691), (56, 344065), (70, 275252), (140, 137626), (280, 68813)]