17818684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 34607496

約数和(自身を除く): 16788812

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 613, 676, 1118, 1226, 2236, 2452, 7267, 7969, 14534, 15938, 26359, 29068, 31876, 52718, 103597, 105436, 207194, 342667, 414388, 685334, 1370668, 4454671, 8909342, 17818684]

約数ペア:

[(1, 17818684), (2, 8909342), (4, 4454671), (13, 1370668), (26, 685334), (43, 414388), (52, 342667), (86, 207194), (169, 105436), (172, 103597), (338, 52718), (559, 31876), (613, 29068), (676, 26359), (1118, 15938), (1226, 14534), (2236, 7969), (2452, 7267)]