19562764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 37989336

約数和(自身を除く): 18426572

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 673, 676, 1118, 1346, 2236, 2692, 7267, 8749, 14534, 17498, 28939, 29068, 34996, 57878, 113737, 115756, 227474, 376207, 454948, 752414, 1504828, 4890691, 9781382, 19562764]

約数ペア:

[(1, 19562764), (2, 9781382), (4, 4890691), (13, 1504828), (26, 752414), (43, 454948), (52, 376207), (86, 227474), (169, 115756), (172, 113737), (338, 57878), (559, 34996), (673, 29068), (676, 28939), (1118, 17498), (1346, 14534), (2236, 8749), (2692, 7267)]