19716268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34469}}^1$

素因数の和:34497

約数の個数: 24

約数和(自身を含む): 40536720

約数和(自身を除く): 20820452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34469, 68938, 137876, 379159, 448097, 758318, 896194, 1516636, 1792388, 4929067, 9858134, 19716268]

約数ペア:

[(1, 19716268), (2, 9858134), (4, 4929067), (11, 1792388), (13, 1516636), (22, 896194), (26, 758318), (44, 448097), (52, 379159), (143, 137876), (286, 68938), (572, 34469)]